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  • Oracle Cloud Solutions at Cloud Expo West

    - by Gene Eun
    Oracle is proud to be the Platinum Sponsor at next week's Cloud Expo West in Santa Clara (Nov 4-7).  This is the third consecutive year that Oracle has been sponsoring Cloud Expo and each year our involvement and presence at the conference has grown. This year, we have a great lineup of sessions which I've listed below. If you’re attending Cloud Expo West, we'd love to have you attend our sessions that will show our thought leadership and leading solutions in the cloud. You should also swing by Booth #130 to see some of our latest cloud offerings firsthand. Date  Time  Session Title  Track  Room  Monday, Nov 4  3:00 pm - 3:45 pm Ten Myths of Cloud Computing - General Session All Tracks Ballroom A-H  Monday, Nov 4  5:10 pm - 5:55 pm Driving Recurring Revenue Streams Through Cloud Billing Cloud Computing and Big Data M1  Monday, Nov 4  5:10 pm - 5:55 pm An Introduction to Oracle's Cloud Application Marketplace Cloud Bootcamp Great America Room J  Tuesday, Nov 5  6:25 pm - 7:05 pm Delivering Database as a Service with Oracle Database 12c Deploying the Cloud Great America Room 2  Wednesday, Nov 6  5:35 pm - 6:20 pm Accelerating Your Journey to Self-Service IT Enterprise Cloud Computing B2  Thursday, Nov 7  1:35 pm - 2:20 pm Oracle's Strategy for Public Cloud Platform and Infrastructure Services Infrastructure Management | Virtualization M2 At Cloud Expo West, you'll get to learn about and experience the latest in Cloud and Big Data. If you're in Silicon Valley or the Bay Area and don't have a pass to Cloud Expo, no problem. Oracle is giving away FREE VIP Gold Passes! We would love to have you be our VIP guest. Just go to Oracle's Cloud Expo 2013 event registration page and follow the instructions to get your complimentary pass. Stay tuned to this blog and follow us on Twitter (@OracleCloudZone) during and after Cloud Expo for more of our insight and observations about this year's conference.

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  • What are the reasons why Clojure is hyped and PicoLisp widely ignored?

    - by Thorsten
    I recently discovered the Lisp family of programming languages, and it's definitely one of the more diverse and widespread families in the programming language world. I like Elisp because that most wonderful tool Emacs is an Elisp interpreter. But I was looking for one more Lisp dialect to learn and thought Clojure would be the obvious choice nowadays - until I discovered the well hidden gem PicoLisp. That must be the most intelligent programming environment I have ever seen, like taking the best ideas from Lisp and Smalltalk and adding performance and practicability - and the beauty of parsimony. There is even an Emacs-mode for it. PicoLisp must be the productivity world champion when it comes to building business applications with database and web-client - and that's a very common task. It seems that throwing more and more hardware cores at your PicoLisp application makes it faster and faster, and the database is very performant anyway. However, reactions to PicoLisp in in general mailing-lists etc. are almost hostile (envy?), and there is absolutely no hype and very little publicity (ie not one book published). Are there real justified reasons for this (except the vast amount of java-libs accessible by Clojure, I know that one)? Or is the mainstream it getting wrong again (see C vs Lisp, Java vs Smalltalk, Windows vs Linux) and will come to the conclusion 10 years later that the JVM was good as in between solution, but a really fast Lisp interpreter on multicore machines is much better and allows much cleaner concepts? PS 1: Please note: I'm not interested in Scheme or any Common Lisp dialect, although they might be fine languages. It's just PicoLisp vs Clojure. PS 2: another thing I like about PicoLisp is its similarity to Elisp in certain aspects (both are descendants from MacLisp?) - it's easier to learn two similar languages. There is so much "dynamic binding bashing" on the web, but two of the most appealing Lisp applications use it.

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  • Restful Services, oData, and Rest Sharp

    - by jkrebsbach
    After a great presentation by Jason Sheehan at MDC about RestSharp, I decided to implement it. RestSharp is a .Net framework for consuming restful data sources via either Json or XML. My first step was to put together a Restful data source for RestSharp to consume.  Staying entirely withing .Net, I decided to use Microsoft's oData implementation, built on System.Data.Services.DataServices.  Natively, these support Json, or atom+pub xml.  (XML with a few bells and whistles added on) There are three main steps for creating an oData data source: 1)  override CreateDSPMetaData This is where the metadata data is returned.  The meta data defines the structure of the data to return.  The structure contains the relationships between data objects, along with what properties the objects expose.  The meta data can and should be somehow cached so that the structure is not rebuild with every data request. 2) override CreateDataSource The context contains the data the data source will publish.  This method is the conduit which will populate the metadata objects to be returned to the requestor. 3) implement static InitializeService At this point we can set up security, along with setting up properties of the web service (versioning, etc)   Here is a web service which publishes stock prices for various Products (stocks) in various Categories. namespace RestService {     public class RestServiceImpl : DSPDataService<DSPContext>     {         private static DSPContext _context;         private static DSPMetadata _metadata;         /// <summary>         /// Populate traversable data source         /// </summary>         /// <returns></returns>         protected override DSPContext CreateDataSource()         {             if (_context == null)             {                 _context = new DSPContext();                 Category utilities = new Category(0);                 utilities.Name = "Electric";                 Category financials = new Category(1);                 financials.Name = "Financial";                                 IList products = _context.GetResourceSetEntities("Products");                 Product electric = new Product(0, utilities);                 electric.Name = "ABC Electric";                 electric.Description = "Electric Utility";                 electric.Price = 3.5;                 products.Add(electric);                 Product water = new Product(1, utilities);                 water.Name = "XYZ Water";                 water.Description = "Water Utility";                 water.Price = 2.4;                 products.Add(water);                 Product banks = new Product(2, financials);                 banks.Name = "FatCat Bank";                 banks.Description = "A bank that's almost too big";                 banks.Price = 19.9; // This will never get to the client                 products.Add(banks);                 IList categories = _context.GetResourceSetEntities("Categories");                 categories.Add(utilities);                 categories.Add(financials);                 utilities.Products.Add(electric);                 utilities.Products.Add(electric);                 financials.Products.Add(banks);             }             return _context;         }         /// <summary>         /// Setup rules describing published data structure - relationships between data,         /// key field, other searchable fields, etc.         /// </summary>         /// <returns></returns>         protected override DSPMetadata CreateDSPMetadata()         {             if (_metadata == null)             {                 _metadata = new DSPMetadata("DemoService", "DataServiceProviderDemo");                 // Define entity type product                 ResourceType product = _metadata.AddEntityType(typeof(Product), "Product");                 _metadata.AddKeyProperty(product, "ProductID");                 // Only add properties we wish to share with end users                 _metadata.AddPrimitiveProperty(product, "Name");                 _metadata.AddPrimitiveProperty(product, "Description");                 EntityPropertyMappingAttribute att = new EntityPropertyMappingAttribute("Name",                     SyndicationItemProperty.Title, SyndicationTextContentKind.Plaintext, true);                 product.AddEntityPropertyMappingAttribute(att);                 att = new EntityPropertyMappingAttribute("Description",                     SyndicationItemProperty.Summary, SyndicationTextContentKind.Plaintext, true);                 product.AddEntityPropertyMappingAttribute(att);                 // Define products as a set of product entities                 ResourceSet products = _metadata.AddResourceSet("Products", product);                 // Define entity type category                 ResourceType category = _metadata.AddEntityType(typeof(Category), "Category");                 _metadata.AddKeyProperty(category, "CategoryID");                 _metadata.AddPrimitiveProperty(category, "Name");                 _metadata.AddPrimitiveProperty(category, "Description");                 // Define categories as a set of category entities                 ResourceSet categories = _metadata.AddResourceSet("Categories", category);                 att = new EntityPropertyMappingAttribute("Name",                     SyndicationItemProperty.Title, SyndicationTextContentKind.Plaintext, true);                 category.AddEntityPropertyMappingAttribute(att);                 att = new EntityPropertyMappingAttribute("Description",                     SyndicationItemProperty.Summary, SyndicationTextContentKind.Plaintext, true);                 category.AddEntityPropertyMappingAttribute(att);                 // A product has a category, a category has products                 _metadata.AddResourceReferenceProperty(product, "Category", categories);                 _metadata.AddResourceSetReferenceProperty(category, "Products", products);             }             return _metadata;         }         /// <summary>         /// Based on the requesting user, can set up permissions to Read, Write, etc.         /// </summary>         /// <param name="config"></param>         public static void InitializeService(DataServiceConfiguration config)         {             config.SetEntitySetAccessRule("*", EntitySetRights.All);             config.DataServiceBehavior.MaxProtocolVersion = DataServiceProtocolVersion.V2;             config.DataServiceBehavior.AcceptProjectionRequests = true;         }     } }     The objects prefixed with DSP come from the samples on the oData site: http://www.odata.org/developers The products and categories objects are POCO business objects with no special modifiers. Three main options are available for defining the MetaData of data sources in .Net: 1) Generate Entity Data model (Potentially directly from SQL Server database).  This requires the least amount of manual interaction, and uses the edmx WYSIWYG editor to generate a data model.  This can be directly tied to the SQL Server database and generated from the database if you want a data access layer tightly coupled with your database. 2) Object model decorations.  If you already have a POCO data layer, you can decorate your objects with properties to statically inform the compiler how the objects are related.  The disadvantage is there are now tags strewn about your business layer that need to be updated as the business rules change.  3) Programmatically construct metadata object.  This is the object illustrated above in CreateDSPMetaData.  This puts all relationship information into one central programmatic location.  Here business rules are constructed when the DSPMetaData response object is returned.   Once you have your service up and running, RestSharp is designed for XML / Json, along with the native Microsoft library.  There are currently some differences between how Jason made RestSharp expect XML with how atom+pub works, so I found better results currently with the Json implementation - modifying the RestSharp XML parser to make an atom+pub parser is fairly trivial though, so use what implementation works best for you. I put together a sample console app which calls the RestSvcImpl.svc service defined above (and assumes it to be running on port 2000).  I used both RestSharp as a client, and also the default Microsoft oData client tools. namespace RestConsole {     class Program     {         private static DataServiceContext _ctx;         private enum DemoType         {             Xml,             Json         }         static void Main(string[] args)         {             // Microsoft implementation             _ctx = new DataServiceContext(new System.Uri("http://localhost:2000/RestServiceImpl.svc"));             var msProducts = RunQuery<Product>("Products").ToList();             var msCategory = RunQuery<Category>("/Products(0)/Category").AsEnumerable().Single();             var msFilteredProducts = RunQuery<Product>("/Products?$filter=length(Name) ge 4").ToList();             // RestSharp implementation                          DemoType demoType = DemoType.Json;             var client = new RestClient("http://localhost:2000/RestServiceImpl.svc");             client.ClearHandlers(); // Remove all available handlers             // Set up handler depending on what situation dictates             if (demoType == DemoType.Json)                 client.AddHandler("application/json", new RestSharp.Deserializers.JsonDeserializer());             else if (demoType == DemoType.Xml)             {                 client.AddHandler("application/atom+xml", new RestSharp.Deserializers.XmlDeserializer());             }                          var request = new RestRequest();             if (demoType == DemoType.Json)                 request.RootElement = "d"; // service root element for json             else if (demoType == DemoType.Xml)             {                 request.XmlNamespace = "http://www.w3.org/2005/Atom";             }                              // Return all products             request.Resource = "/Products?$orderby=Name";             RestResponse<List<Product>> productsResp = client.Execute<List<Product>>(request);             List<Product> products = productsResp.Data;             // Find category for product with ProductID = 1             request.Resource = string.Format("/Products(1)/Category");             RestResponse<Category> categoryResp = client.Execute<Category>(request);             Category category = categoryResp.Data;             // Specialized queries             request.Resource = string.Format("/Products?$filter=ProductID eq {0}", 1);             RestResponse<Product> productResp = client.Execute<Product>(request);             Product product = productResp.Data;                          request.Resource = string.Format("/Products?$filter=Name eq '{0}'", "XYZ Water");             productResp = client.Execute<Product>(request);             product = productResp.Data;         }         private static IEnumerable<TElement> RunQuery<TElement>(string queryUri)         {             try             {                 return _ctx.Execute<TElement>(new Uri(queryUri, UriKind.Relative));             }             catch (Exception ex)             {                 throw ex;             }         }              } }   Feel free to step through the code a few times and to attach a debugger to the service as well to see how and where the context and metadata objects are constructed and returned.  Pay special attention to the response object being returned by the oData service - There are several properties of the RestRequest that can be used to help troubleshoot when the structure of the response is not exactly what would be expected.

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  • Entity Framework v1 &ndash; tips and Tricks Part 3

    - by Rohit Gupta
    General Tips on Entity Framework v1 & Linq to Entities: ToTraceString() If you need to know the underlying SQL that the EF generates for a Linq To Entities query, then use the ToTraceString() method of the ObjectQuery class. (or use LINQPAD) Note that you need to cast the LINQToEntities query to ObjectQuery before calling TotraceString() as follows: 1: string efSQL = ((ObjectQuery)from c in ctx.Contact 2: where c.Address.Any(a => a.CountryRegion == "US") 3: select c.ContactID).ToTraceString(); ================================================================================ MARS or MultipleActiveResultSet When you create a EDM Model (EDMX file) from the database using Visual Studio, it generates a connection string with the same name as the name of the EntityContainer in CSDL. In the ConnectionString so generated it sets the MultipleActiveResultSet attribute to true by default. So if you are running the following query then it streams multiple readers over the same connection: 1: using (BAEntities context = new BAEntities()) 2: { 3: var cons = 4: from con in context.Contacts 5: where con.FirstName == "Jose" 6: select con; 7: foreach (var c in cons) 8: { 9: if (c.AddDate < new System.DateTime(2007, 1, 1)) 10: { 11: c.Addresses.Load(); 12: } 13: } 14: } ================================================================================= Explicitly opening and closing EntityConnection When you call ToList() or foreach on a LINQToEntities query the EF automatically closes the connection after all the records from the query have been consumed. Thus if you need to run many LINQToEntities queries over the same connection then explicitly open and close the connection as follows: 1: using (BAEntities context = new BAEntities()) 2: { 3: context.Connection.Open(); 4: var cons = from con in context.Contacts where con.FirstName == "Jose" 5: select con; 6: var conList = cons.ToList(); 7: var allCustomers = from con in context.Contacts.OfType<Customer>() 8: select con; 9: var allcustList = allCustomers.ToList(); 10: context.Connection.Close(); 11: } ====================================================================== Dispose ObjectContext only if required After you retrieve entities using the ObjectContext and you are not explicitly disposing the ObjectContext then insure that your code does consume all the records from the LinqToEntities query by calling .ToList() or foreach statement, otherwise the the database connection will remain open and will be closed by the garbage collector when it gets to dispose the ObjectContext. Secondly if you are making updates to the entities retrieved using LinqToEntities then insure that you dont inadverdently dispose of the ObjectContext after the entities are retrieved and before calling .SaveChanges() since you need the SAME ObjectContext to keep track of changes made to the Entities (by using ObjectStateEntry objects). So if you do need to explicitly dispose of the ObjectContext do so only after calling SaveChanges() and only if you dont need to change track the entities retrieved any further. ======================================================================= SQL InjectionAttacks under control with EFv1 LinqToEntities and LinqToSQL queries are parameterized before they are sent to the DB hence they are not vulnerable to SQL Injection attacks. EntitySQL may be slightly vulnerable to attacks since it does not use parameterized queries. However since the EntitySQL demands that the query be valid Entity SQL syntax and valid native SQL syntax at the same time. So the only way one can do a SQLInjection Attack is by knowing the SSDL of the EDM Model and be able to write the correct EntitySQL (note one cannot append regular SQL since then the query wont be a valid EntitySQL syntax) and append it to a parameter. ====================================================================== Improving Performance You can convert the EntitySets and AssociationSets in a EDM Model into precompiled Views using the edmgen utility. for e.g. the Customer Entity can be converted into a precompiled view using edmgen and all LinqToEntities query against the contaxt.Customer EntitySet will use the precompiled View instead of the EntitySet itself (the same being true for relationships (EntityReference & EntityCollections of a Entity)). The advantage being that when using precompiled views the performance will be much better. The syntax for generating precompiled views for a existing EF project is : edmgen /mode:ViewGeneration /inssdl:BAModel.ssdl /incsdl:BAModel.csdl /inmsl:BAModel.msl /p:Chap14.csproj Note that this will only generate precompiled views for EntitySets and Associations and not for existing LinqToEntities queries in the project.(for that use CompiledQuery.Compile<>) Secondly if you have a LinqToEntities query that you need to run multiple times, then one should precompile the query using CompiledQuery.Compile method. The CompiledQuery.Compile<> method accepts a lamda expression as a parameter, which denotes the LinqToEntities query  that you need to precompile. The following is a example of a lamda that we can pass into the CompiledQuery.Compile() method 1: Expression<Func<BAEntities, string, IQueryable<Customer>>> expr = (BAEntities ctx1, string loc) => 2: from c in ctx1.Contacts.OfType<Customer>() 3: where c.Reservations.Any(r => r.Trip.Destination.DestinationName == loc) 4: select c; Then we call the Compile Query as follows: 1: var query = CompiledQuery.Compile<BAEntities, string, IQueryable<Customer>>(expr); 2:  3: using (BAEntities ctx = new BAEntities()) 4: { 5: var loc = "Malta"; 6: IQueryable<Customer> custs = query.Invoke(ctx, loc); 7: var custlist = custs.ToList(); 8: foreach (var item in custlist) 9: { 10: Console.WriteLine(item.FullName); 11: } 12: } Note that if you created a ObjectQuery or a Enitity SQL query instead of the LINQToEntities query, you dont need precompilation for e.g. 1: An Example of EntitySQL query : 2: string esql = "SELECT VALUE c from Contacts AS c where c is of(BAGA.Customer) and c.LastName = 'Gupta'"; 3: ObjectQuery<Customer> custs = CreateQuery<Customer>(esql); 1: An Example of ObjectQuery built using ObjectBuilder methods: 2: from c in Contacts.OfType<Customer>().Where("it.LastName == 'Gupta'") 3: select c This is since the Query plan is cached and thus the performance improves a bit, however since the ObjectQuery or EntitySQL query still needs to materialize the results into Entities hence it will take the same amount of performance hit as with LinqToEntities. However note that not ALL EntitySQL based or QueryBuilder based ObjectQuery plans are cached. So if you are in doubt always create a LinqToEntities compiled query and use that instead ============================================================ GetObjectStateEntry Versus GetObjectByKey We can get to the Entity being referenced by the ObjectStateEntry via its Entity property and there are helper methods in the ObjectStateManager (osm.TryGetObjectStateEntry) to get the ObjectStateEntry for a entity (for which we know the EntityKey). Similarly The ObjectContext has helper methods to get an Entity i.e. TryGetObjectByKey(). TryGetObjectByKey() uses GetObjectStateEntry method under the covers to find the object, however One important difference between these 2 methods is that TryGetObjectByKey queries the database if it is unable to find the object in the context, whereas TryGetObjectStateEntry only looks in the context for existing entries. It will not make a trip to the database ============================================================= POCO objects with EFv1: To create POCO objects that can be used with EFv1. We need to implement 3 key interfaces: IEntityWithKey IEntityWithRelationships IEntityWithChangeTracker Implementing IEntityWithKey is not mandatory, but if you dont then we need to explicitly provide values for the EntityKey for various functions (for e.g. the functions needed to implement IEntityWithChangeTracker and IEntityWithRelationships). Implementation of IEntityWithKey involves exposing a property named EntityKey which returns a EntityKey object. Implementation of IEntityWithChangeTracker involves implementing a method named SetChangeTracker since there can be multiple changetrackers (Object Contexts) existing in memory at the same time. 1: public void SetChangeTracker(IEntityChangeTracker changeTracker) 2: { 3: _changeTracker = changeTracker; 4: } Additionally each property in the POCO object needs to notify the changetracker (objContext) that it is updating itself by calling the EntityMemberChanged and EntityMemberChanging methods on the changeTracker. for e.g.: 1: public EntityKey EntityKey 2: { 3: get { return _entityKey; } 4: set 5: { 6: if (_changeTracker != null) 7: { 8: _changeTracker.EntityMemberChanging("EntityKey"); 9: _entityKey = value; 10: _changeTracker.EntityMemberChanged("EntityKey"); 11: } 12: else 13: _entityKey = value; 14: } 15: } 16: ===================== Custom Property ==================================== 17:  18: [EdmScalarPropertyAttribute(IsNullable = false)] 19: public System.DateTime OrderDate 20: { 21: get { return _orderDate; } 22: set 23: { 24: if (_changeTracker != null) 25: { 26: _changeTracker.EntityMemberChanging("OrderDate"); 27: _orderDate = value; 28: _changeTracker.EntityMemberChanged("OrderDate"); 29: } 30: else 31: _orderDate = value; 32: } 33: } Finally you also need to create the EntityState property as follows: 1: public EntityState EntityState 2: { 3: get { return _changeTracker.EntityState; } 4: } The IEntityWithRelationships involves creating a property that returns RelationshipManager object: 1: public RelationshipManager RelationshipManager 2: { 3: get 4: { 5: if (_relManager == null) 6: _relManager = RelationshipManager.Create(this); 7: return _relManager; 8: } 9: } ============================================================ Tip : ProviderManifestToken – change EDMX File to use SQL 2008 instead of SQL 2005 To use with SQL Server 2008, edit the EDMX file (the raw XML) changing the ProviderManifestToken in the SSDL attributes from "2005" to "2008" ============================================================= With EFv1 we cannot use Structs to replace a anonymous Type while doing projections in a LINQ to Entities query. While the same is supported with LINQToSQL, it is not with LinqToEntities. For e.g. the following is not supported with LinqToEntities since only parameterless constructors and initializers are supported in LINQ to Entities. (the same works with LINQToSQL) 1: public struct CompanyInfo 2: { 3: public int ID { get; set; } 4: public string Name { get; set; } 5: } 6: var companies = (from c in dc.Companies 7: where c.CompanyIcon == null 8: select new CompanyInfo { Name = c.CompanyName, ID = c.CompanyId }).ToList(); ;

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  • Get MySQL 5.6 Certified at a Much Reduced Price

    - by Antoinette O'Sullivan
    You have already heard the great news that you can now prove your knowledge of MySQL Server 5.6 with the new MySQL certification exams: Oracle Certified Professional, MySQL 5.6 Developer Oracle Certified Professional, MySQL 5.6 Database Administrator Until December 14th 2013, there exams are beta phase so you get a fully-fledged certification at a much reduced price; for example $50 in the United States or 39 euros in the euro zone. There is a lot of excitement around these new certifications as people ramp up to prove their expertise. Here is some information that might help you are you prepare to get MySQL 5.6 certified. Establishing What You Need to Know Your first step is to chose whether you want to take the MySQL 5.6 Developer or MySQL 5.6 Database Administrator certification. Now click on the Exam Topics tab on the corresponding certification page. You will see a list of topics that you will be tested on during the certification exam. These are the areas that you need to improve your knowledge on, if you are not already expert. Register For a Certification Exam Click on the relevant certification and then click on Register for this Exam. The Pearson VUE site will guide you through signing up for an event at a date and location to suit you. Preparing to Take an Exam For each certification, you can click on the Exam Preparation tab. This indicates the recommended training and reference material that can help you prepare to sit the exam. And why not follow the experience of others preparing to take these exams. Todd Farmer Morgan Tocker Moritz Schupp Open Source Dba's blog You could also read MySQL hints and tips from Jeremy Smyth who is part of the team writing the authentic MySQL curriculum.

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  • I want to hit Apex SQL with a big stick

    - by Michael Stephenson
    <Whinge> Thought id just have a little whinge about this product which caused me a load of grief the other day..... So the background was that my development machine had a completely full hard disk which I needed to sort out.  Upon investigation I found the issue was that the msdb database had managed to get very large. This was caused because a long time ago (and I cant even remember why) I tried out Apex SQL.  After a few days I decided to uninstall it and thought nothing more of it.  What I didnt realise was that uninstalling it doesnt actually uninstall it (and it doesnt inform you about this), but there was still some assemblies left on my machine.  Everytime SQL Server was running it was starting the Apex SQL Connection monitor which was then running in the background and regularly recording information in the msdb database.  Over time it had recorded enough to fill the disk. The below article advises how to sort this out by removing this fully so if your having a problem then try this out:http://knowledgebase.apexsql.com/2007/08/how-to-uninstall-apexsqlconnectionmonit_09.htm Once this was sorted out its interesting to read the above article because I just dont think the approach used by the vendor of this software is a very good one.  So for the Apex team just wanted to pass on a thought: If I want to uninstall your product you should tell me if stuff is left on the machine especially if a process will be running which is going to fill my machine with useless data, </Whinge>

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  • CodePlex Daily Summary for Friday, June 29, 2012

    CodePlex Daily Summary for Friday, June 29, 2012Popular ReleasesSupporting Guidance and Whitepapers: v1 - Supporting Media: Welcome to the Release Candidate (RC) release of the ALM Rangers Readiness supporting edia As this is a RC release and the quality bar for the final Release has not been achieved, we value your candid feedback and recommend that you do not use or deploy these RC artifacts in a production environment. Quality-Bar Details All critical bugs have been resolved Known Issues / Bugs Practical Ruck training workshop not yet includedDesigning Windows 8 Applications with C# and XAML: Chapters 1 - 7 Release Preview: Source code for all examples from Chapters 1 - 7 for the Release PreviewDataBooster - Extension to ADO.NET Data Provider: DataBooster Library for Oracle + SQL Server Beta2: This is a derivative library of dbParallel project http://dbparallel.codeplex.com. All above binaries releases require .NET Framework 4.0 or later. SQL Server support is always build-in (can't be unplugged). The first download (DLL) also requires ODP.NET to connect Oracle; The second download (DLL) also requires DataDirect(3.5) to connect Oracle; The third download (DLL) doesn't support Oracle. Please download the source code if the provider need to be replaced by others. For example ODP.NE...Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.57: Fix for issue #18284: evaluating literal expressions in the pattern c1 * (x / c2) where c1/c2 is an integer value (as opposed to c2/c1 being the integer) caused the expression to be destroyed.Visual Studio ALM Quick Reference Guidance: v2 - Visual Studio 2010 (Japanese): Rex Tang (?? ??) http://blogs.msdn.com/b/willy-peter_schaub/archive/2011/12/08/introducing-the-visual-studio-alm-rangers-rex-tang.aspx, Takaho Yamaguchi (?? ??), Masashi Fujiwara (?? ??), localized and reviewed the Quick Reference Guidance for the Japanese communities, based on http://vsarquickguide.codeplex.com/releases/view/52402. The Japanese guidance is available in AllGuides and Everything packages. The AllGuides package contains guidances in PDF file format, while the Everything packag...Visual Studio Team Foundation Server Branching and Merging Guide: v1 - Visual Studio 2010 (Japanese): Rex Tang (?? ??) http://blogs.msdn.com/b/willy-peter_schaub/archive/2011/12/08/introducing-the-visual-studio-alm-rangers-rex-tang.aspx, Takaho Yamaguchi (?? ??), Hirokazu Higashino (?? ??), localized and reviewed the Branching Guidance for the Japanese communities, based on http://vsarbranchingguide.codeplex.com/releases/view/38849. The Japanese guidance is available in AllGuides and Everything packages. The AllGuides package contains guidances in PDF file format, while the Everything packag...SQL Server FineBuild: Version 3.1.0: Top SQL Server FineBuild Version 3.1.0This is the stable version of FineBuild for SQL Server 2012, 2008 R2, 2008 and 2005 Documentation FineBuild Wiki containing details of the FineBuild process Known Issues Limitations with this release FineBuild V3.1.0 Release Contents List of changes included in this release Please DonateFineBuild is free, but please donate what you think FineBuild is worth as everything goes to charity. Tearfund is one of the UK's leading relief and de...EasySL: RapidSL V2: Rewrite RapidSL UI Framework, Using Silverlight 5.0 EF4.1 Code First Ria Service SP2 + Lastest Silverlight Toolkit.NETDeob0: NETDeob 0.1.1: http://i.imgur.com/54C78.pngSOLID by example: All examples: All solid examplesSiteMap Editor for Microsoft Dynamics CRM 2011: SiteMap Editor (1.1.1726.406): Use of new version of connection controls for a full support of OSDP authentication mechanism for CRM Online.Umbraco CMS: Umbraco CMS 5.2: Development on Umbraco v5 discontinued After much discussion and consultation with leaders from the Umbraco community it was decided that work on the v5 branch would be discontinued with efforts being refocused on the stable and feature rich v4 branch. For full details as to why this decision was made please watch the CodeGarden 12 Keynote. What about all that hard work?!?? We are not binning everything and it does not mean that all work done on 5 is lost! we are taking all of the best and m...CodeGenerate: CodeGenerate Alpha: The Project can auto generate C# code. Include BLL Layer、Domain Layer、IDAL Layer、DAL Layer. Support SqlServer And Oracle This is a alpha program,but which can run and generate code. Generate database table info into MS WordXDA ROM HUB: XDA ROM HUB v0.9: Kernel listing added -- Thanks to iONEx Added scripts installer button. Added "Nandroid On The Go" -- Perform a Nandroid backup without a PC! Added official Android app!ExtAspNet: ExtAspNet v3.1.8.2: +2012-06-24 v3.1.8 +????Grid???????(???????ExpandUnusedSpace????????)(??)。 -????MinColumnWidth(??????)。 -????AutoExpandColumn,???????????????(ColumnID)(?????ForceFitFirstTime??ForceFitAllTime,??????)。 -????AutoExpandColumnMax?AutoExpandColumnMin。 -????ForceFitFirstTime,????????????,??????????(????????????)。 -????ForceFitAllTime,????????????,??????????(??????????????????)。 -????VerticalScrollWidth,????????(??????????,0?????????????)。 -????grid/grid_forcefit.aspx。 -???????????En...AJAX Control Toolkit: June 2012 Release: AJAX Control Toolkit Release Notes - June 2012 Release Version 60623June 2012 release of the AJAX Control Toolkit. AJAX Control Toolkit .NET 4 – AJAX Control Toolkit for .NET 4 and sample site (Recommended). AJAX Control Toolkit .NET 3.5 – AJAX Control Toolkit for .NET 3.5 and sample site (Recommended). Notes: - The current version of the AJAX Control Toolkit is not compatible with ASP.NET 2.0. The latest version that is compatible with ASP.NET 2.0 can be found here: 11121. - Pages using ...WPF Application Framework (WAF): WPF Application Framework (WAF) 2.5.0.5: Version: 2.5.0.5 (Milestone 5): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Changelog Legend: [B] Breaking change; [O] Marked member as obsolete WAF: Add IsInDesignMode property to the WafConfiguration class. WAF: Introduce the IModuleController interface. WAF: Add ...Windows 8 Metro RSS Reader: Metro RSS Reader.v7: Updated for Windows 8 Release Preview Changed background and foreground colors Used VariableSizeGrid layout to wrap blog posts with images Sort items with Images first, text-only last Enabled Caching to improve navigation between framesConfuser: Confuser 1.9: Change log: * Stable output (i.e. given the same seed & input assemblies, you'll get the same output assemblies) + Generate debug symbols, now it is possible to debug the output under a debugger! (Of course without enabling anti debug) + Generating obfuscation database, most of the obfuscation data in stored in it. + Two tools utilizing the obfuscation database (Database viewer & Stack trace decoder) * Change the protection scheme -----Please read Bug Report before you report a bug-----...XDesigner.Development: First release: First releaseNew ProjectsArcGIS Server Rest Catalog: jquery widget that display all MapServer service of ESRI ArcGIS Server in accordion control. Require jQuery and JsRender. BugsBox.Lib: BugsBoxlibCodeStudy: The project includes all my code written for .NET studyCommunity Tfs Team Tools: Community TFS Team Tools is a community project based on the example code from ALM Rangers - Quick Response Sample Command line utility to manage TFS TeamsDiveBaseManager: DiveBaseManagerEclipse App: Aplicacion para android para el envio de coordenaads a un servidorJQMdotNET: JQMdotNet is an early attempt to make a series of MVC HTML helpers to quickly render JQuery Mobile pages.MathBuilderFramework: Math Builder FX is a framework for math problems. The idea of this framework is to create real exercises of mathematics throught base classes.MDS MODELING WORKBOOK: MDS Modeling Workbook is a modeling tool and a solution accelerator for Microsoft Master Data Services. Minesweeper: a clean old minesweeperMultithreaded Port Scanner Utility: Mulithreaded Port Scanner Utility is a very simple port scanner that take advantage of the new System.Threading.Task namespace in .Net 4.0Nonocast.Data: Nonocast.Data is a free, open source developer focused object persistence for small and medium software.On{X} Scripts: This project is to share scripts I create or modify from available free/opensource scripts (off-course with due mentions & links to original developer).PCS MAP: ladPowerShell Module for Mayhem: A module for Mayhem with a reaction which executes a PowerShell script.PunkBuster™ Screenshot Viewer: PunkBuster™ Screenshot Viewer shows screenshots of all games protected with PunkBuster™.Random reminder: Objective: To create a simple Windows application that can schedule and automatically reschedule a random timer that falls within a defined interval.Remembrall: Some useful stuff (at least for me) ! Javascript plugins jQuery plugins C# utilities ASP.NET MVC helper extensionsrepotfs: Repositório de exemplosSharepoint Designer: Sharepoint ExplororSPFluid: Simple modularity and data access framework.SPManager: Helper classSQL Server : xp_fixeddrives2: C++ Extended Stored Procedure Get volumes InfoSWORD Extensions for Sharepoint: Push documents in and out of Sharepoint using the SWORD protocol. ***incomplete***Test projects: My testing projecttestdd06282012git01: xzc testdd06282012git1: sadtestdd06282012tfs01: xzctestddhg06282012: xctestddtfs062820121: ,lm;.testhg06282012dd1: zxTlrk: NATotal_Mayhem: Add-on for Mayhem ( http://mayhem.codeplex.com/ ) that includes networking events, power reactions, and more.WallSwitch: An application to cycle your desktop wallpaper.??????: ????????

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  • Upgrade to 2008 R2

    - by DavidWimbush
    I don't like it, Carruthers. It's just too quiet. Well, I've done the pre-production server, the main live server and the Reporting/BI server with remarkably little trouble. Pre-production and live were rebuilds. I failed live over to our log shipping standby for the duration, which has a gotcha I blogged about before. When I failed back to the primary live server again, it was very quick to bring the databases online. I understand the databases don't actually get upgraded until you recover them but there was no noticable delay. It's gone from 2005 Workgroup - limited to 4GB of memory - to 2008 R2 Standard so it can now use nearly all of the 30GB in the server. It's soo much faster. The reporting/BI server I upgraded in situ. This took a while but, again, went smoothly. Just watch out, because the master database was left at compatibility level 90. Also the upgrade decided to use the reporting service's credentials for database access when running reports. It didn't preserve the existing credentials and I had to go into the Reporting Configuration Manager to put them back in. Make sure you know what credentials your server is using before you upgrade. All things considered, a fairly painless experience. Now I just have to upgrade and reset our log shipping standby server again!

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  • OData.org updated, gives clues about future SQL Azure enhancements

    - by jamiet
    The OData website at http://www.odata.org/home has been updated today to provide a much more engaging page than the previous sterile attempt. Moreover its now chockful of information about the progress of OData including a blog, a list of products that produce OData feeds plus some live OData feeds that you can hit up today, a list of OData-compliant clients and an FAQ. Most interestingly SQL Azure is listed as a producer of OData feeds: If you have a SQL Azure database account you can easily expose an OData feed through a simple configuration portal. You can select authenticated or anonymous access and expose different OData views according to permissions granted to the specified SQL Azure database user. A preview of this upcoming SQL Azure service is available at https://www.sqlazurelabs.com/OData.aspx and it enables you to select one of your existing SQL Azure databases and, with a few clicks, turn it into an OData feed. It looks as though SQL Azure will soon be added to the stable of products that natively support OData, good news indeed. @Jamiet Related blog posts: OData gunning for ubiquity across Microsoft products Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • Log shipping and shrinking transaction logs

    - by DavidWimbush
    I just solved a problem that had me worried for a bit. I'm log shipping from three primary servers to a single secondary server, and the transaction log disk on the secondary server was getting very full. I established that several primary databases had unused space that resulted from big, one-off updates so I could shrink their logs. But would this action be log shipped and applied to the secondary database too? I thought probably not. And, more importantly, would it break log shipping? My secondary databases are in a Standby / Read Only state so I didn't think I could shrink their logs. I RTFMd, Googled, and asked on a Q&A site (not the evil one) but was none the wiser. So I was facing a monumental round of shrink, full backup, full secondary restore and re-start log shipping (which would leave us without a disaster recovery facility for the duration). Then I thought it might be worthwhile to take a non-essential database and just make absolutely sure a log shrink on the primary wouldn't ship over and occur on the secondary as well. So I did a DBCC SHRINKFILE and kept an eye on the secondary. Bingo! Log shipping didn't blink and the log on the secondary shrank too. I just love it when something turns out even better than I dared to hope. (And I guess this highlights something I need to learn about what activities are logged.)

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  • Clustering Basics and Challenges

    - by Karoly Vegh
    For upcoming posts it seemed to be a good idea to dedicate some time for cluster basic concepts and theory. This post misses a lot of details that would explode the articlesize, should you have questions, do not hesitate to ask them in the comments.  The goal here is to get some concepts straight. I can't promise to give you an overall complete definitions of cluster, cluster agent, quorum, voting, fencing, split brain condition, so the following is more of an explanation. Here we go. -------- Cluster, HA, failover, switchover, scalability -------- An attempted definition of a Cluster: A cluster is a set (2+) server nodes dedicated to keep application services alive, communicating through the cluster software/framework with eachother, test and probe health status of servernodes/services and with quorum based decisions and with switchover/failover techniques keep the application services running on them available. That is, should a node that runs a service unexpectedly lose functionality/connection, the other ones would take over the and run the services, so that availability is guaranteed. To provide availability while strictly sticking to a consistent clusterconfiguration is the main goal of a cluster.  At this point we have to add that this defines a HA-cluster, a High-Availability cluster, where the clusternodes are planned to run the services in an active-standby, or failover fashion. An example could be a single instance database. Some applications can be run in a distributed or scalable fashion. In the latter case instances of the application run actively on separate clusternodes serving servicerequests simultaneously. An example for this version could be a webserver that forwards connection requests to many backend servers in a round-robin way. Or a database running in active-active RAC setup.  -------- Cluster arhitecture, interconnect, topologies -------- Now, what is a cluster made of? Servers, right. These servers (the clusternodes) need to communicate. This of course happens over the network, usually over dedicated network interfaces interconnecting all the clusternodes. These connection are called interconnects.How many clusternodes are in a cluster? There are different cluster topologies. The most simple one is a clustered pair topology, involving only two clusternodes:  There are several more topologies, clicking the image above will take you to the relevant documentation. Also, to answer the question Solaris Cluster allows you to run up to 16 servers in a cluster. Where shall these clusternodes be placed? A very important question. The right answer is: It depends on what you plan to achieve with the cluster. Do you plan to avoid only a server outage? Then you can place them right next to eachother in the datacenter. Do you need to avoid DataCenter outage? In that case of course you should place them at least in different fire zones. Or in two geographically distant DataCenters to avoid disasters like floods, large-scale fires or power outages. We call this a stretched- or campus cluster, the clusternodes being several kilometers away from eachother. To cover really large distances, you probably need to move to a GeoCluster, which is a different kind of animal.  What is a geocluster? A Geographic Cluster in Solaris Cluster terms is actually a metacluster between two, separate (locally-HA) clusters.  -------- Cluster resource types, agents, resources, resource groups -------- So how does the cluster manage my applications? The cluster needs to start, stop and probe your applications. If you application runs, the cluster needs to check regularly if the application state is healthy, does it respond over the network, does it have all the processes running, etc. This is called probing. If the cluster deems the application is in a faulty state, then it can try to restart it locally or decide to switch (stop on node A, start on node B) the service. Starting, stopping and probing are the three actions that a cluster agent does. There are many different kinds of agents included in Solaris Cluster, but you can build your own too. Examples are an agent that manages (mounts, moves) ZFS filesystems, or the Oracle DB HA agent that cares about the database, or an agent that moves a floating IP address between nodes. There are lots of other agents included for Apache, Tomcat, MySQL, Oracle DB, Oracle Weblogic, Zones, LDoms, NFS, DNS, etc.We also need to clarify the difference between a cluster resource and the cluster resource group.A cluster resource is something that is managed by a cluster agent. Cluster resource types are included in Solaris cluster (see above, e.g. HAStoragePlus, HA-Oracle, LogicalHost). You can group cluster resources into cluster resourcegroups, and switch these groups together from one node to another. To stick to the example above, to move an Oracle DB service from one node to another, you have to switch the group between nodes, and the agents of the cluster resources in the group will do the following:  On node A Shut down the DB Unconfigure the LogicalHost IP the DB Listener listens on unmount the filesystem   Then, on node B: mount the FS configure the IP  startup the DB -------- Voting, Quorum, Split Brain Condition, Fencing, Amnesia -------- How do the clusternodes agree upon their action? How do they decide which node runs what services? Another important question. Running a cluster is a strictly democratic thing.Every node has votes, and you need the majority of votes to have the deciding power. Now, this is usually no problem, clusternodes think very much all alike. Still, every action needs to be governed upon in a productive system, and has to be agreed upon. Agreeing is easy as long as the clusternodes all behave and talk to eachother over the interconnect. But if the interconnect is gone/down, this all gets tricky and confusing. Clusternodes think like this: "My job is to run these services. The other node does not answer my interconnect communication, it must be down. I'd better take control and run the services!". The problem is, as I have already mentioned, clusternodes very much think alike. If the interconnect is gone, they all assume the other node is down, and they all want to mount the data backend, enable the IP and run the database. Double IPs, double mounts, double DB instances - now that is trouble. Also, in a 2-node cluster they both have only 50% of the votes, that is, they themselves alone are not allowed to run a cluster.  This is where you need a quorum device. According to Wikipedia, the "requirement for a quorum is protection against totally unrepresentative action in the name of the body by an unduly small number of persons.". They need additional votes to run the cluster. For this requirement a 2-node cluster needs a quorum device or a quorum server. If the interconnect is gone, (this is what we call a split brain condition) both nodes start to race and try to reserve the quorum device to themselves. They do this, because the quorum device bears an additional vote, that could ensure majority (50% +1). The one that manages to lock the quorum device (e.g. if it's an FC LUN, it SCSI reserves it) wins the right to build/run a cluster, the other one - realizing he was late - panics/reboots to ensure the cluster config stays consistent.  Losing the interconnect isn't only endangering the availability of services, but it also endangers the cluster configuration consistence. Just imagine node A being down and during that the cluster configuration changes. Now node B goes down, and node A comes up. It isn't uptodate about the cluster configuration's changes so it will refuse to start a cluster, since that would lead to cluster amnesia, that is the cluster had some changes, but now runs with an older cluster configuration repository state, that is it's like it forgot about the changes.  Also, to ensure application data consistence, the clusternode that wins the race makes sure that a server that isn't part of or can't currently join the cluster can access the devices. This procedure is called fencing. This usually happens to storage LUNs via SCSI reservation.  Now, another important question: Where do I place the quorum disk?  Imagine having two sites, two separate datacenters, one in the north of the city and the other one in the south part of it. You run a stretched cluster in the clustered pair topology. Where do you place the quorum disk/server? If you put it into the north DC, and that gets hit by a meteor, you lose one clusternode, which isn't a problem, but you also lose your quorum, and the south clusternode can't keep the cluster running lacking the votes. This problem can't be solved with two sites and a campus cluster. You will need a third site to either place the quorum server to, or a third clusternode. Otherwise, lacking majority, if you lose the site that had your quorum, you lose the cluster. Okay, we covered the very basics. We haven't talked about virtualization support, CCR, ClusterFilesystems, DID devices, affinities, storage-replication, management tools, upgrade procedures - should those be interesting for you, let me know in the comments, along with any other questions. Given enough demand I'd be glad to write a followup post too. Now I really want to move on to the second part in the series: ClusterInstallation.  Oh, as for additional source of information, I recommend the documentation: http://docs.oracle.com/cd/E23623_01/index.html, and the OTN Oracle Solaris Cluster site: http://www.oracle.com/technetwork/server-storage/solaris-cluster/index.html

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  • Examining ASP.NET's Membership, Roles, and Profile - Part 18

    Membership, in a nutshell, is a framework build into the .NET Framework that supports creating, authenticating, deleting, and modifying user account information. Each user account has a set of core properties: username, password, email, a security question and answer, whether or not the account has been approved, whether or not the user is locked out of the system, and so on. These user-specific properties are certainly helpful, but they're hardly exhaustive - it's not uncommon for an application to need to track additional user-specific properties. For example, an online messageboard site might want to also also associate a signature, homepage URL, and IM address with each user account. There are two ways to associate additional information with user accounts when using the Membership model. The first - which affords the greatest flexibility, but requires the most upfront effort - is to create a custom data store for this information. If you are using the SqlMembershipProvider, this would mean creating an additional database table that had as a primary key the UserId value from the aspnet_Users table and columns for each of the additional user properties. The second option is to use the Profile system, which allows additional user-specific properties to be defined in a configuration file. (See Part 6 for an in-depth look at the Profile system.) This article explores how to store additional user information in a separate database table. We'll see how to allow a signed in user to update these additional user-specific properties and how to create a page to display information about a selected user. What's more, we'll look at using ASP.NET Routing to display user information using an SEO-friendly, human-readable URL like www.yoursite.com/Users/username. Read on to learn more! Read More >

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  • SQL SERVER – How to Set Variable and Use Variable in SQLCMD Mode

    - by Pinal Dave
    Here is the question which I received the other day on SQLAuthority Facebook page. Social media is a wonderful thing and I love the active conversation between blog readers and myself – actually I think social media adds lots of human factor to any conversation. Here is the question - “I am using sqlcmd in SSMS – I am not sure how to declare variable and pass it, for example I have a database and it has table, how can I make the table variable dynamic and pass different value everytime?” Fantastic question, and here is its very simple answer. First of all, enable sqlcmd mode in SQL Server Management Studio as described in following image. Now in query editor type following SQL. :SETVAR DatabaseName “AdventureWorks2012″ :SETVAR SchemaName “Person” :SETVAR TableName “EmailAddress“ USE $(DatabaseName); SELECT * FROM $(SchemaName).$(TableName); Note that I have set the value of the database, schema and table as a sqlcmd variable and I am executing the query using the same parameters. Well, that was it, sqlcmd is a very simple language to master and it also aids in doing various tasks easily. If you have any other sqlcmd tips, please leave a comment and I will publish it with due credit. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology Tagged: sqlcmd

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  • SQL SERVER – New SQL Server 2012 Functions – Webinar by Rick Morelan

    - by Pinal Dave
    My friend Rick Morelan is a wonderful speaker and listening to him is very delightful. Rick is one of the speakers who can articulate a very complex subject in very simple words. Rick has attained over 30 Microsoft certifications in applications, networking, databases and .NET development, including MCDBA, MCTS, MCITP, MCAD, MOE, MCSE and MCSE+. Here is the chance for every one who has not listened Rick Morelan before as he is presenting an online webinar on New SQL Server 2012 Functions. Whether or not you’re a database developer or administrator, you love the power of SQL functions. The functions in SQL Server give you the power to accelerate your applications and database performance. Each version of SQL Server adds new functionality, so come and see Rick Morelan explain what’s new in SQL Server 2012! This webinar will focus on the new string, time and logical functions added to SQL Server 2012. Register for the webinar now to learn: SQL Server 2012 function basics String, time and logical function details Tools to accelerate the SQL coding process Tuesday June 11, 2013  7:00 AM PDT / 10:00 AM EDT 11:00 AM PDT / 2:00 PM EDT Secret Hint: Here is something I would like to tell everyone that there is a quiz coming up on SQLAuthority.com and those who will attend the webinar will find it very easy to resolve it. Register for webinar Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Joes 2 Pros, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • July, the 31 Days of SQL Server DMO’s – Day 1 (sys.dm_exec_requests)

    - by Tamarick Hill
    The first DMO that I would like to introduce you to is one of the most common and basic DMV’s out there. I use the term DMV because this DMO is actually a view as opposed to a function. This DMV is server-scoped and it returns information about all requests that are currently executing on your SQL Server instance. To illustrate what this DMV returns, lets take a look at the results. As you can see, this DMV returns a wealth of information about requests occurring on your server. You are able to see the SPID, the start time of a request, current status, and the command the SPID is executing. In addition to this you see columns for sql_handle and plan_handle. These columns (when combined with other DMO’s we will discuss later) can return the actual sql text that is being executed on your server as well as the actual execution plan that is cached and being used. This DMV also returns information about various wait types that may be occurring for your spid. The percent_complete column displays a percentage to completion for certain database actions such as DBCC CheckDB, Database Restores, Rollback’s, etc. In addition to these, you are also able to see the amount of reads, writes, and cpu that the SPID has consumed. You will find this DMV to be one of the primary DMV’s that you use when looking for information about what is occurring on your server.

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  • Ameristar Wins with Oracle GoldenGate’s Heterogeneous Real-Time Data Integration

    - by Irem Radzik
    Today we announced a press release about another successful project with Oracle GoldenGate. This time at Ameristar. Ameristar is a casino gaming company and needed a single data integration solution to connect multiple heterogeneous systems to its Teradata data warehouse. The project involves integration of Ameristar’s promotional and gaming data from 14 data sources across its 7 casino hotel properties in real time into a central Teradata data warehouse. The source systems include the Aristocrat gaming and MGT promotional management platforms running on Microsoft SQL Server 2000 databases. As you can notice, there was no Oracle Database involved in this project, but Ameristar’s IT leadership knew that  GoldenGate’s strong heterogeneous and real-time data integration capabilities is the right technology for their data warehousing project. With GoldenGate Ameristar was able to reduce data latency to the enterprise data warehouse, and use this real-time customer information for marketing teams in improving overall customer experience. Ameristar customers receive more targeted and timely campaign offers, and the company has more up-to-date visibility into financial metrics of the company. One other key benefit the company experienced with GoldenGate is in operational costs. The previous data capture solution Ameristar used was trigger based and required a lot of effort to manage. They needed dedicated IT staff to maintain it. With GoldenGate, the solution runs seamlessly without needing a fully-dedicated staff, giving the IT team at Ameristar more resources for their other IT projects. If you want to learn more about GoldenGate and the latest features for Oracle Database and non-Oracle databases, please watch our on demand webcast about Oracle GoldenGate 11g Release 2.

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  • Big Data – Learning Basics of Big Data in 21 Days – Bookmark

    - by Pinal Dave
    Earlier this month I had a great time to write Bascis of Big Data series. This series received great response and lots of good comments I have received, I am going to follow up this basics series with further in-depth series in near future. Here is the consolidated blog post where you can find all the 21 days blog posts together. Bookmark this page for future reference. Big Data – Beginning Big Data – Day 1 of 21 Big Data – What is Big Data – 3 Vs of Big Data – Volume, Velocity and Variety – Day 2 of 21 Big Data – Evolution of Big Data – Day 3 of 21 Big Data – Basics of Big Data Architecture – Day 4 of 21 Big Data – Buzz Words: What is NoSQL – Day 5 of 21 Big Data – Buzz Words: What is Hadoop – Day 6 of 21 Big Data – Buzz Words: What is MapReduce – Day 7 of 21 Big Data – Buzz Words: What is HDFS – Day 8 of 21 Big Data – Buzz Words: Importance of Relational Database in Big Data World – Day 9 of 21 Big Data – Buzz Words: What is NewSQL – Day 10 of 21 Big Data – Role of Cloud Computing in Big Data – Day 11 of 21 Big Data – Operational Databases Supporting Big Data – RDBMS and NoSQL – Day 12 of 21 Big Data – Operational Databases Supporting Big Data – Key-Value Pair Databases and Document Databases – Day 13 of 21 Big Data – Operational Databases Supporting Big Data – Columnar, Graph and Spatial Database – Day 14 of 21 Big Data – Data Mining with Hive – What is Hive? – What is HiveQL (HQL)? – Day 15 of 21 Big Data – Interacting with Hadoop – What is PIG? – What is PIG Latin? – Day 16 of 21 Big Data – Interacting with Hadoop – What is Sqoop? – What is Zookeeper? – Day 17 of 21 Big Data – Basics of Big Data Analytics – Day 18 of 21 Big Data – How to become a Data Scientist and Learn Data Science? – Day 19 of 21 Big Data – Various Learning Resources – How to Start with Big Data? – Day 20 of 21 Big Data – Final Wrap and What Next – Day 21 of 21 Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Big Data, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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  • .Net to Oracle Connectivity using ODBC .NET

    - by SAMIR BHOGAYTA
    You can use the new ODBC .NET Data Provider that works with the ODBC Oracle7.x driver or higher. You need to have MDAC 2.6 or later installed and then download ODBC .NET from the MS Web Site http://msdn.microsoft.com/downloads/default.asp?url=/code/sample.asp?url=/msdn-files/027/001/668/msdncompositedoc.xml&frame=true. MDAC (Microsoft Data Access Component) 2.7 contains core component, including the Microsoft SQL server and Oracle OLE Database provider and ODBC driver. Insta ...You can use the new ODBC .NET Data Provider that works with the ODBC Oracle7.x driver or higher. You need to have MDAC 2.6 or later installed and then download ODBC .NET from the MS Web Site http://msdn.microsoft.com/downloads/default.asp?url=/code/sample.asp?url=/msdn-files/027/001/668/msdncompositedoc.xml&frame=true. MDAC (Microsoft Data Access Component) 2.7 contains core component, including the Microsoft SQL server and Oracle OLE Database provider and ODBC driver. Install ODBC .NET from the MS Web Site http://msdn.microsoft.com/downloads/default.asp?URL=/downloads/sample.asp?url=/msdn-files/027/001/943/msdncompositedoc.xml Create a DSN, using either Microsoft ODBC for Oracle or Oracle supplied Driver if the Oracle client software is loaded. here for eq. TrailDSN. While creating DSN give user name along with passward for eq. scott/tiger. using Microsoft .Data.Odbc; private void Form1_Load(object sender, System.EventArgs e) { try { OdbcConnection myconnection= new OdbcConnection ("DSN=TrialDSN"); OdbcDataAdapter myda = new OdbcDataAdapter ("Select * from EMP", myconnection); DataSet ds= new DataSet (); myda.Fill(ds, "Table"); dataGrid1.DataSource = ds ; } catch(Exception ex) { MessageBox.Show (ex.Message ); } }

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  • SQL SERVER – Cleaning Up SQL Server Indexes – Defragmentation, Fillfactor – Video

    - by pinaldave
    Storing data non-contiguously on disk is known as fragmentation. Before learning to eliminate fragmentation, you should have a clear understanding of the types of fragmentation. When records are stored non-contiguously inside the page, then it is called internal fragmentation. When on disk, the physical storage of pages and extents is not contiguous. We can get both types of fragmentation using the DMV: sys.dm_db_index_physical_stats. Here is the generic advice for reducing the fragmentation. If avg_fragmentation_in_percent > 5% and < 30%, then use ALTER INDEX REORGANIZE: This statement is replacement for DBCC INDEXDEFRAG to reorder the leaf level pages of the index in a logical order. As this is an online operation, the index is available while the statement is running. If avg_fragmentation_in_percent > 30%, then use ALTER INDEX REBUILD: This is replacement for DBCC DBREINDEX to rebuild the index online or offline. In such case, we can also use the drop and re-create index method.(Ref: MSDN) Here is quick video which covers many of the above mentioned topics. While Vinod and I were planning about Indexing course, we had plenty of fun and learning. We often recording few of our statement and just left it aside. Afterwords we thought it will be really funny Here is funny video shot by Vinod and Myself on the same subject: Here is the link to the SQL Server Performance:  Indexing Basics. Here is the additional reading material on the same subject: SQL SERVER – Fragmentation – Detect Fragmentation and Eliminate Fragmentation SQL SERVER – 2005 – Display Fragmentation Information of Data and Indexes of Database Table SQL SERVER – De-fragmentation of Database at Operating System to Improve Performance Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Index, SQL Performance, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology, Video

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  • SQL SERVER – Fix: Error: Compatibility Level Drop Down is Empty

    - by Pinal Dave
    I currently have SQL Server 2012 and SQL Server 2014 both installed on the same machine. My job requires me to travel a lot and I like to travel light. Hence, I have only one computer with all the software installed in it. I can install Virtual Machines but as I was able to install SQL Server 2012 and SQL Server 2014 side by side, I just went ahead with that option. Now one day when I opened up my SQL Server 2014 and went to the properties of the my database, I realized that the dropdown box for Compatibility level is empty. I just can’t select anything there or see what is the current Compatibility level of the database. This was the first time for me so I was bit confused and I tried to search online. Upon searching online I realize that if I was not the first, there are very few questions on this subject on various forums as well as there is no convincing answer to this problem online. That means, I was pretty much first one to face this error. See the image of the situation I was facing. Now I decided to resolve this issue as soon as I can. I spent a few minutes here and there and realize my mistake. I had connected to SQL Server 2014 instance from SQL Server 2012 Management Studio. Hence, I was not able to see any compatibility related settings. Once I connected to SQL Server 2014 instance with SQL Server 2014 Management Studio – this issue was resolved. Well, simple things sometimes keep us very busy. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: PostADay, SQL, SQL Authority, SQL Error Messages, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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  • Residual packages Ubuntu 12.04

    - by hydroxide
    I have an Asus Q500A with win8 and Ubuntu 12.04 64 bit; Linux kernel 3.8.0-32-generic. I have been having residual package issues which have been giving me trouble trying to reconfigure xserver-xorg-lts-raring. I tried removing all residual packages from synaptic but the following were not removed. Output of sudo dpkg -l | grep "^rc" rc gstreamer0.10-plugins-good:i386 0.10.31-1ubuntu1.2 GStreamer plugins from the "good" set rc libaa1:i386 1.4p5-39ubuntu1 ASCII art library rc libaio1:i386 0.3.109-2ubuntu1 Linux kernel AIO access library - shared library rc libao4:i386 1.1.0-1ubuntu2 Cross Platform Audio Output Library rc libasn1-8-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - ASN.1 library rc libasound2:i386 1.0.25-1ubuntu10.2 shared library for ALSA applications rc libasyncns0:i386 0.8-4 Asynchronous name service query library rc libatk1.0-0:i386 2.4.0-0ubuntu1 ATK accessibility toolkit rc libavahi-client3:i386 0.6.30-5ubuntu2 Avahi client library rc libavahi-common3:i386 0.6.30-5ubuntu2 Avahi common library rc libavc1394-0:i386 0.5.3-1ubuntu2 control IEEE 1394 audio/video devices rc libcaca0:i386 0.99.beta17-2.1ubuntu2 colour ASCII art library rc libcairo-gobject2:i386 1.10.2-6.1ubuntu3 The Cairo 2D vector graphics library (GObject library) rc libcairo2:i386 1.10.2-6.1ubuntu3 The Cairo 2D vector graphics library rc libcanberra-gtk0:i386 0.28-3ubuntu3 GTK+ helper for playing widget event sounds with libcanberra rc libcanberra0:i386 0.28-3ubuntu3 simple abstract interface for playing event sounds rc libcap2:i386 1:2.22-1ubuntu3 support for getting/setting POSIX.1e capabilities rc libcdparanoia0:i386 3.10.2+debian-10ubuntu1 audio extraction tool for sampling CDs (library) rc libcroco3:i386 0.6.5-1ubuntu0.1 Cascading Style Sheet (CSS) parsing and manipulation toolkit rc libcups2:i386 1.5.3-0ubuntu8 Common UNIX Printing System(tm) - Core library rc libcupsimage2:i386 1.5.3-0ubuntu8 Common UNIX Printing System(tm) - Raster image library rc libcurl3:i386 7.22.0-3ubuntu4.3 Multi-protocol file transfer library (OpenSSL) rc libdatrie1:i386 0.2.5-3 Double-array trie library rc libdbus-glib-1-2:i386 0.98-1ubuntu1.1 simple interprocess messaging system (GLib-based shared library) rc libdbusmenu-qt2:i386 0.9.2-0ubuntu1 Qt implementation of the DBusMenu protocol rc libdrm-nouveau2:i386 2.4.43-0ubuntu0.0.3 Userspace interface to nouveau-specific kernel DRM services -- runtime rc libdv4:i386 1.0.0-3ubuntu1 software library for DV format digital video (runtime lib) rc libesd0:i386 0.2.41-10build3 Enlightened Sound Daemon - Shared libraries rc libexif12:i386 0.6.20-2ubuntu0.1 library to parse EXIF files rc libexpat1:i386 2.0.1-7.2ubuntu1.1 XML parsing C library - runtime library rc libflac8:i386 1.2.1-6 Free Lossless Audio Codec - runtime C library rc libfontconfig1:i386 2.8.0-3ubuntu9.1 generic font configuration library - runtime rc libfreetype6:i386 2.4.8-1ubuntu2.1 FreeType 2 font engine, shared library files rc libgail18:i386 2.24.10-0ubuntu6 GNOME Accessibility Implementation Library -- shared libraries rc libgconf-2-4:i386 3.2.5-0ubuntu2 GNOME configuration database system (shared libraries) rc libgcrypt11:i386 1.5.0-3ubuntu0.2 LGPL Crypto library - runtime library rc libgd2-xpm:i386 2.0.36~rc1~dfsg-6ubuntu2 GD Graphics Library version 2 rc libgdbm3:i386 1.8.3-10 GNU dbm database routines (runtime version) rc libgdk-pixbuf2.0-0:i386 2.26.1-1 GDK Pixbuf library rc libgif4:i386 4.1.6-9ubuntu1 library for GIF images (library) rc libgl1-mesa-dri-lts-quantal:i386 9.0.3-0ubuntu0.4~precise1 free implementation of the OpenGL API -- DRI modules rc libgl1-mesa-dri-lts-raring:i386 9.1.4-0ubuntu0.1~precise2 free implementation of the OpenGL API -- DRI modules rc libgl1-mesa-glx:i386 8.0.4-0ubuntu0.6 free implementation of the OpenGL API -- GLX runtime rc libgl1-mesa-glx-lts-quantal:i386 9.0.3-0ubuntu0.4~precise1 free implementation of the OpenGL API -- GLX runtime rc libgl1-mesa-glx-lts-raring:i386 9.1.4-0ubuntu0.1~precise2 free implementation of the OpenGL API -- GLX runtime rc libglapi-mesa:i386 8.0.4-0ubuntu0.6 free implementation of the GL API -- shared library rc libglapi-mesa-lts-quantal:i386 9.0.3-0ubuntu0.4~precise1 free implementation of the GL API -- shared library rc libglapi-mesa-lts-raring:i386 9.1.4-0ubuntu0.1~precise2 free implementation of the GL API -- shared library rc libglu1-mesa:i386 8.0.4-0ubuntu0.6 Mesa OpenGL utility library (GLU) rc libgnome-keyring0:i386 3.2.2-2 GNOME keyring services library rc libgnutls26:i386 2.12.14-5ubuntu3.5 GNU TLS library - runtime library rc libgomp1:i386 4.6.3-1ubuntu5 GCC OpenMP (GOMP) support library rc libgpg-error0:i386 1.10-2ubuntu1 library for common error values and messages in GnuPG components rc libgphoto2-2:i386 2.4.13-1ubuntu1.2 gphoto2 digital camera library rc libgphoto2-port0:i386 2.4.13-1ubuntu1.2 gphoto2 digital camera port library rc libgssapi-krb5-2:i386 1.10+dfsg~beta1-2ubuntu0.3 MIT Kerberos runtime libraries - krb5 GSS-API Mechanism rc libgssapi3-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - GSSAPI support library rc libgstreamer-plugins-base0.10-0:i386 0.10.36-1ubuntu0.1 GStreamer libraries from the "base" set rc libgstreamer0.10-0:i386 0.10.36-1ubuntu1 Core GStreamer libraries and elements rc libgtk2.0-0:i386 2.24.10-0ubuntu6 GTK+ graphical user interface library rc libgudev-1.0-0:i386 1:175-0ubuntu9.4 GObject-based wrapper library for libudev rc libhcrypto4-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - crypto library rc libheimbase1-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - Base library rc libheimntlm0-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - NTLM support library rc libhx509-5-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - X509 support library rc libibus-1.0-0:i386 1.4.1-3ubuntu1 Intelligent Input Bus - shared library rc libice6:i386 2:1.0.7-2build1 X11 Inter-Client Exchange library rc libidn11:i386 1.23-2 GNU Libidn library, implementation of IETF IDN specifications rc libiec61883-0:i386 1.2.0-0.1ubuntu1 an partial implementation of IEC 61883 rc libieee1284-3:i386 0.2.11-10build1 cross-platform library for parallel port access rc libjack-jackd2-0:i386 1.9.8~dfsg.1-1ubuntu2 JACK Audio Connection Kit (libraries) rc libjasper1:i386 1.900.1-13 JasPer JPEG-2000 runtime library rc libjpeg-turbo8:i386 1.1.90+svn733-0ubuntu4.2 IJG JPEG compliant runtime library. rc libjson0:i386 0.9-1ubuntu1 JSON manipulation library - shared library rc libk5crypto3:i386 1.10+dfsg~beta1-2ubuntu0.3 MIT Kerberos runtime libraries - Crypto Library rc libkeyutils1:i386 1.5.2-2 Linux Key Management Utilities (library) rc libkrb5-26-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - libraries rc libkrb5-3:i386 1.10+dfsg~beta1-2ubuntu0.3 MIT Kerberos runtime libraries rc libkrb5support0:i386 1.10+dfsg~beta1-2ubuntu0.3 MIT Kerberos runtime libraries - Support library rc liblcms1:i386 1.19.dfsg-1ubuntu3 Little CMS color management library rc libldap-2.4-2:i386 2.4.28-1.1ubuntu4.4 OpenLDAP libraries rc libllvm3.0:i386 3.0-4ubuntu1 Low-Level Virtual Machine (LLVM), runtime library rc libllvm3.1:i386 3.1-2ubuntu1~12.04.1 Low-Level Virtual Machine (LLVM), runtime library rc libllvm3.2:i386 3.2-2ubuntu5~precise1 Low-Level Virtual Machine (LLVM), runtime library rc libltdl7:i386 2.4.2-1ubuntu1 A system independent dlopen wrapper for GNU libtool rc libmad0:i386 0.15.1b-7ubuntu1 MPEG audio decoder library rc libmikmod2:i386 3.1.12-2 Portable sound library rc libmng1:i386 1.0.10-3 Multiple-image Network Graphics library rc libmpg123-0:i386 1.12.1-3.2ubuntu1 MPEG layer 1/2/3 audio decoder -- runtime library rc libmysqlclient18:i386 5.5.32-0ubuntu0.12.04.1 MySQL database client library rc libnspr4:i386 4.9.5-0ubuntu0.12.04.1 NetScape Portable Runtime Library rc libnss3:i386 3.14.3-0ubuntu0.12.04.1 Network Security Service libraries rc libodbc1:i386 2.2.14p2-5ubuntu3 ODBC library for Unix rc libogg0:i386 1.2.2~dfsg-1ubuntu1 Ogg bitstream library rc libopenal1:i386 1:1.13-4ubuntu3 Software implementation of the OpenAL API (shared library) rc liborc-0.4-0:i386 1:0.4.16-1ubuntu2 Library of Optimized Inner Loops Runtime Compiler rc libosmesa6:i386 8.0.4-0ubuntu0.6 Mesa Off-screen rendering extension rc libp11-kit0:i386 0.12-2ubuntu1 Library for loading and coordinating access to PKCS#11 modules - runtime rc libpango1.0-0:i386 1.30.0-0ubuntu3.1 Layout and rendering of internationalized text rc libpixman-1-0:i386 0.24.4-1 pixel-manipulation library for X and cairo rc libproxy1:i386 0.4.7-0ubuntu4.1 automatic proxy configuration management library (shared) rc libpulse-mainloop-glib0:i386 1:1.1-0ubuntu15.4 PulseAudio client libraries (glib support) rc libpulse0:i386 1:1.1-0ubuntu15.4 PulseAudio client libraries rc libqt4-dbus:i386 4:4.8.1-0ubuntu4.4 Qt 4 D-Bus module rc libqt4-declarative:i386 4:4.8.1-0ubuntu4.4 Qt 4 Declarative module rc libqt4-designer:i386 4:4.8.1-0ubuntu4.4 Qt 4 designer module rc libqt4-network:i386 4:4.8.1-0ubuntu4.4 Qt 4 network module rc libqt4-opengl:i386 4:4.8.1-0ubuntu4.4 Qt 4 OpenGL module rc libqt4-qt3support:i386 4:4.8.1-0ubuntu4.4 Qt 3 compatibility library for Qt 4 rc libqt4-script:i386 4:4.8.1-0ubuntu4.4 Qt 4 script module rc libqt4-scripttools:i386 4:4.8.1-0ubuntu4.4 Qt 4 script tools module rc libqt4-sql:i386 4:4.8.1-0ubuntu4.4 Qt 4 SQL module rc libqt4-svg:i386 4:4.8.1-0ubuntu4.4 Qt 4 SVG module rc libqt4-test:i386 4:4.8.1-0ubuntu4.4 Qt 4 test module rc libqt4-xml:i386 4:4.8.1-0ubuntu4.4 Qt 4 XML module rc libqt4-xmlpatterns:i386 4:4.8.1-0ubuntu4.4 Qt 4 XML patterns module rc libqtcore4:i386 4:4.8.1-0ubuntu4.4 Qt 4 core module rc libqtgui4:i386 4:4.8.1-0ubuntu4.4 Qt 4 GUI module rc libqtwebkit4:i386 2.2.1-1ubuntu4 Web content engine library for Qt rc libraw1394-11:i386 2.0.7-1ubuntu1 library for direct access to IEEE 1394 bus (aka FireWire) rc libroken18-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - roken support library rc librsvg2-2:i386 2.36.1-0ubuntu1 SAX-based renderer library for SVG files (runtime) rc librtmp0:i386 2.4~20110711.gitc28f1bab-1 toolkit for RTMP streams (shared library) rc libsamplerate0:i386 0.1.8-4 Audio sample rate conversion library rc libsane:i386 1.0.22-7ubuntu1 API library for scanners rc libsasl2-2:i386 2.1.25.dfsg1-3ubuntu0.1 Cyrus SASL - authentication abstraction library rc libsdl-image1.2:i386 1.2.10-3 image loading library for Simple DirectMedia Layer 1.2 rc libsdl-mixer1.2:i386 1.2.11-7 Mixer library for Simple DirectMedia Layer 1.2, libraries rc libsdl-net1.2:i386 1.2.7-5 Network library for Simple DirectMedia Layer 1.2, libraries rc libsdl-ttf2.0-0:i386 2.0.9-1.1ubuntu1 ttf library for Simple DirectMedia Layer with FreeType 2 support rc libsdl1.2debian:i386 1.2.14-6.4ubuntu3 Simple DirectMedia Layer rc libshout3:i386 2.2.2-7ubuntu1 MP3/Ogg Vorbis broadcast streaming library rc libsm6:i386 2:1.2.0-2build1 X11 Session Management library rc libsndfile1:i386 1.0.25-4 Library for reading/writing audio files rc libsoup-gnome2.4-1:i386 2.38.1-1 HTTP library implementation in C -- GNOME support library rc libsoup2.4-1:i386 2.38.1-1 HTTP library implementation in C -- Shared library rc libspeex1:i386 1.2~rc1-3ubuntu2 The Speex codec runtime library rc libspeexdsp1:i386 1.2~rc1-3ubuntu2 The Speex extended runtime library rc libsqlite3-0:i386 3.7.9-2ubuntu1.1 SQLite 3 shared library rc libssl0.9.8:i386 0.9.8o-7ubuntu3.1 SSL shared libraries rc libstdc++5:i386 1:3.3.6-25ubuntu1 The GNU Standard C++ Library v3 rc libstdc++6:i386 4.6.3-1ubuntu5 GNU Standard C++ Library v3 rc libtag1-vanilla:i386 1.7-1ubuntu5 audio meta-data library - vanilla flavour rc libtasn1-3:i386 2.10-1ubuntu1.1 Manage ASN.1 structures (runtime) rc libtdb1:i386 1.2.9-4 Trivial Database - shared library rc libthai0:i386 0.1.16-3 Thai language support library rc libtheora0:i386 1.1.1+dfsg.1-3ubuntu2 The Theora Video Compression Codec rc libtiff4:i386 3.9.5-2ubuntu1.5 Tag Image File Format (TIFF) library rc libtxc-dxtn-s2tc0:i386 0~git20110809-2.1 Texture compression library for Mesa rc libunistring0:i386 0.9.3-5 Unicode string library for C rc libusb-0.1-4:i386 2:0.1.12-20 userspace USB programming library rc libv4l-0:i386 0.8.6-1ubuntu2 Collection of video4linux support libraries rc libv4lconvert0:i386 0.8.6-1ubuntu2 Video4linux frame format conversion library rc libvisual-0.4-0:i386 0.4.0-4 Audio visualization framework rc libvorbis0a:i386 1.3.2-1ubuntu3 The Vorbis General Audio Compression Codec (Decoder library) rc libvorbisenc2:i386 1.3.2-1ubuntu3 The Vorbis General Audio Compression Codec (Encoder library) rc libvorbisfile3:i386 1.3.2-1ubuntu3 The Vorbis General Audio Compression Codec (High Level API) rc libwavpack1:i386 4.60.1-2 audio codec (lossy and lossless) - library rc libwind0-heimdal:i386 1.6~git20120311.dfsg.1-2ubuntu0.1 Heimdal Kerberos - stringprep implementation rc libwrap0:i386 7.6.q-21 Wietse Venema's TCP wrappers library rc libx11-6:i386 2:1.4.99.1-0ubuntu2.2 X11 client-side library rc libx11-xcb1:i386 2:1.4.99.1-0ubuntu2.2 Xlib/XCB interface library rc libxau6:i386 1:1.0.6-4 X11 authorisation library rc libxaw7:i386 2:1.0.9-3ubuntu1 X11 Athena Widget library rc libxcb-dri2-0:i386 1.8.1-1ubuntu0.2 X C Binding, dri2 extension rc libxcb-glx0:i386 1.8.1-1ubuntu0.2 X C Binding, glx extension rc libxcb-render0:i386 1.8.1-1ubuntu0.2 X C Binding, render extension rc libxcb-shm0:i386 1.8.1-1ubuntu0.2 X C Binding, shm extension rc libxcb1:i386 1.8.1-1ubuntu0.2 X C Binding rc libxcomposite1:i386 1:0.4.3-2build1 X11 Composite extension library rc libxcursor1:i386 1:1.1.12-1ubuntu0.1 X cursor management library rc libxdamage1:i386 1:1.1.3-2build1 X11 damaged region extension library rc libxdmcp6:i386 1:1.1.0-4 X11 Display Manager Control Protocol library rc libxext6:i386 2:1.3.0-3ubuntu0.1 X11 miscellaneous extension library rc libxfixes3:i386 1:5.0-4ubuntu4.1 X11 miscellaneous 'fixes' extension library rc libxft2:i386 2.2.0-3ubuntu2 FreeType-based font drawing library for X rc libxi6:i386 2:1.6.0-0ubuntu2.1 X11 Input extension library rc libxinerama1:i386 2:1.1.1-3ubuntu0.1 X11 Xinerama extension library rc libxml2:i386 2.7.8.dfsg-5.1ubuntu4.6 GNOME XML library rc libxmu6:i386 2:1.1.0-3 X11 miscellaneous utility library rc libxp6:i386 1:1.0.1-2ubuntu0.12.04.1 X Printing Extension (Xprint) client library rc libxpm4:i386 1:3.5.9-4 X11 pixmap library rc libxrandr2:i386 2:1.3.2-2ubuntu0.2 X11 RandR extension library rc libxrender1:i386 1:0.9.6-2ubuntu0.1 X Rendering Extension client library rc libxslt1.1:i386 1.1.26-8ubuntu1.3 XSLT 1.0 processing library - runtime library rc libxss1:i386 1:1.2.1-2 X11 Screen Saver extension library rc libxt6:i386 1:1.1.1-2ubuntu0.1 X11 toolkit intrinsics library rc libxtst6:i386 2:1.2.0-4ubuntu0.1 X11 Testing -- Record extension library rc libxv1:i386 2:1.0.6-2ubuntu0.1 X11 Video extension library rc libxxf86vm1:i386 1:1.1.1-2ubuntu0.1 X11 XFree86 video mode extension library rc odbcinst1debian2:i386 2.2.14p2-5ubuntu3 Support library for accessing odbc ini files rc skype-bin:i386 4.2.0.11-0ubuntu0.12.04.2 client for Skype VOIP and instant messaging service - binary files rc sni-qt:i386 0.2.5-0ubuntu3 indicator support for Qt rc wine-compholio:i386 1.7.4~ubuntu12.04.1 The Compholio Edition is a special build of the popular Wine software rc xaw3dg:i386 1.5+E-18.1ubuntu1 Xaw3d widget set

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  • e-Seminars para Parceiros - Abril 2010

    - by Claudia Costa
    A equipa Alliances& Channels apresenta os novos e-Seminar para o mês de Abril. Para se inscrever nas formações que se encontram abaixo por favor utilize os links de registo indicados.   NOME DIA DURAÇÃO LOCAL Oracle IT Modernization Series: Migrating away from Sybase     15   09h00/1hora   On-line   Migrating to Database 11g value proposition     19   09h00/ 1hora   On-line   Upgrading to Database 11g value proposition     23   09h00/ 1hora   On-line   Oracle Content Management for PeopleSoft Overview   30   09h00/1hora   On-line       --------------------------------------------------------------------- Para mais informações por favor contacte: Melissa Lopes 214235194  

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  • T-SQL Tuesday #53-Matt's Making Me Do This!

    - by Most Valuable Yak (Rob Volk)
    Hello everyone! It's that time again, time for T-SQL Tuesday, the wonderful blog series started by Adam Machanic (b|t). This month we are hosted by Matt Velic (b|t) who asks the question, "Why So Serious?", in celebration of April Fool's Day. He asks the contributors for their dirty tricks. And for some reason that escapes me, he and Jeff Verheul (b|t) seem to think I might be able to write about those. Shocked, I am! Nah, not really. They're absolutely right, this one is gonna be fun! I took some inspiration from Matt's suggestions, namely Resource Governor and Login Triggers.  I've done some interesting login trigger stuff for a presentation, but nothing yet with Resource Governor. Best way to learn it! One of my oldest pet peeves is abuse of the sa login. Don't get me wrong, I use it too, but typically only as SQL Agent job owner. It's been a while since I've been stuck with it, but back when I started using SQL Server, EVERY application needed sa to function. It was hard-coded and couldn't be changed. (welllllll, that is if you didn't use a hex editor on the EXE file, but who would do such a thing?) My standard warning applies: don't run anything on this page in production. In fact, back up whatever server you're testing this on, including the master database. Snapshotting a VM is a good idea. Also make sure you have other sysadmin level logins on that server. So here's a standard template for a logon trigger to address those pesky sa users: CREATE TRIGGER SA_LOGIN_PRIORITY ON ALL SERVER WITH ENCRYPTION, EXECUTE AS N'sa' AFTER LOGON AS IF ORIGINAL_LOGIN()<>N'sa' OR APP_NAME() LIKE N'SQL Agent%' RETURN; -- interesting stuff goes here GO   What can you do for "interesting stuff"? Books Online limits itself to merely rolling back the logon, which will throw an error (and alert the person that the logon trigger fired).  That's a good use for logon triggers, but really not tricky enough for this blog.  Some of my suggestions are below: WAITFOR DELAY '23:59:59';   Or: EXEC sp_MSforeach_db 'EXEC sp_detach_db ''?'';'   Or: EXEC msdb.dbo.sp_add_job @job_name=N'`', @enabled=1, @start_step_id=1, @notify_level_eventlog=0, @delete_level=3; EXEC msdb.dbo.sp_add_jobserver @job_name=N'`', @server_name=@@SERVERNAME; EXEC msdb.dbo.sp_add_jobstep @job_name=N'`', @step_id=1, @step_name=N'`', @command=N'SHUTDOWN;'; EXEC msdb.dbo.sp_start_job @job_name=N'`';   Really, I don't want to spoil your own exploration, try it yourself!  The thing I really like about these is it lets me promote the idea that "sa is SLOW, sa is BUGGY, don't use sa!".  Before we get into Resource Governor, make sure to drop or disable that logon trigger. They don't work well in combination. (Had to redo all the following code when SSMS locked up) Resource Governor is a feature that lets you control how many resources a single session can consume. The main goal is to limit the damage from a runaway query. But we're not here to read about its main goal or normal usage! I'm trying to make people stop using sa BECAUSE IT'S SLOW! Here's how RG can do that: USE master; GO CREATE FUNCTION dbo.SA_LOGIN_PRIORITY() RETURNS sysname WITH SCHEMABINDING, ENCRYPTION AS BEGIN RETURN CASE WHEN ORIGINAL_LOGIN()=N'sa' AND APP_NAME() NOT LIKE N'SQL Agent%' THEN N'SA_LOGIN_PRIORITY' ELSE N'default' END END GO CREATE RESOURCE POOL SA_LOGIN_PRIORITY WITH ( MIN_CPU_PERCENT = 0 ,MAX_CPU_PERCENT = 1 ,CAP_CPU_PERCENT = 1 ,AFFINITY SCHEDULER = (0) ,MIN_MEMORY_PERCENT = 0 ,MAX_MEMORY_PERCENT = 1 -- ,MIN_IOPS_PER_VOLUME = 1 ,MAX_IOPS_PER_VOLUME = 1 -- uncomment for SQL Server 2014 ); CREATE WORKLOAD GROUP SA_LOGIN_PRIORITY WITH ( IMPORTANCE = LOW ,REQUEST_MAX_MEMORY_GRANT_PERCENT = 1 ,REQUEST_MAX_CPU_TIME_SEC = 1 ,REQUEST_MEMORY_GRANT_TIMEOUT_SEC = 1 ,MAX_DOP = 1 ,GROUP_MAX_REQUESTS = 1 ) USING SA_LOGIN_PRIORITY; ALTER RESOURCE GOVERNOR WITH (CLASSIFIER_FUNCTION=dbo.SA_LOGIN_PRIORITY); ALTER RESOURCE GOVERNOR RECONFIGURE;   From top to bottom: Create a classifier function to determine which pool the session should go to. More info on classifier functions. Create the pool and provide a generous helping of resources for the sa login. Create the workload group and further prioritize those resources for the sa login. Apply the classifier function and reconfigure RG to use it. I have to say this one is a bit sneakier than the logon trigger, least of all you don't get any error messages.  I heartily recommend testing it in Management Studio, and click around the UI a lot, there's some fun behavior there. And DEFINITELY try it on SQL 2014 with the IO settings included!  You'll notice I made allowances for SQL Agent jobs owned by sa, they'll go into the default workload group.  You can add your own overrides to the classifier function if needed. Some interesting ideas I didn't have time for but expect you to get to before me: Set up different pools/workgroups with different settings and randomize which one the classifier chooses Do the same but base it on time of day (Books Online example covers this)... Or, which workstation it connects from. This can be modified for certain special people in your office who either don't listen, or are attracted (and attractive) to you. And if things go wrong you can always use the following from another sysadmin or Dedicated Admin connection: ALTER RESOURCE GOVERNOR DISABLE;   That will let you go in and either fix (or drop) the pools, workgroups and classifier function. So now that you know these types of things are possible, and if you are tired of your team using sa when they shouldn't, I expect you'll enjoy playing with these quite a bit! Unfortunately, the aforementioned Dedicated Admin Connection kinda poops on the party here.  Books Online for both topics will tell you that the DAC will not fire either feature. So if you have a crafty user who does their research, they can still sneak in with sa and do their bidding without being hampered. Of course, you can still detect their login via various methods, like a server trace, SQL Server Audit, extended events, and enabling "Audit Successful Logins" on the server.  These all have their downsides: traces take resources, extended events and SQL Audit can't fire off actions, and enabling successful logins will bloat your error log very quickly.  SQL Audit is also limited unless you have Enterprise Edition, and Resource Governor is Enterprise-only.  And WORST OF ALL, these features are all available and visible through the SSMS UI, so even a doofus developer or manager could find them. Fortunately there are Event Notifications! Event notifications are becoming one of my favorite features of SQL Server (keep an eye out for more blogs from me about them). They are practically unknown and heinously underutilized.  They are also a great gateway drug to using Service Broker, another great but underutilized feature. Hopefully this will get you to start using them, or at least your enemies in the office will once they read this, and then you'll have to learn them in order to fix things. So here's the setup: USE msdb; GO CREATE PROCEDURE dbo.SA_LOGIN_PRIORITY_act WITH ENCRYPTION AS DECLARE @x XML, @message nvarchar(max); RECEIVE @x=CAST(message_body AS XML) FROM SA_LOGIN_PRIORITY_q; IF @x.value('(//LoginName)[1]','sysname')=N'sa' AND @x.value('(//ApplicationName)[1]','sysname') NOT LIKE N'SQL Agent%' BEGIN -- interesting activation procedure stuff goes here END GO CREATE QUEUE SA_LOGIN_PRIORITY_q WITH STATUS=ON, RETENTION=OFF, ACTIVATION (PROCEDURE_NAME=dbo.SA_LOGIN_PRIORITY_act, MAX_QUEUE_READERS=1, EXECUTE AS OWNER); CREATE SERVICE SA_LOGIN_PRIORITY_s ON QUEUE SA_LOGIN_PRIORITY_q([http://schemas.microsoft.com/SQL/Notifications/PostEventNotification]); CREATE EVENT NOTIFICATION SA_LOGIN_PRIORITY_en ON SERVER WITH FAN_IN FOR AUDIT_LOGIN TO SERVICE N'SA_LOGIN_PRIORITY_s', N'current database' GO   From top to bottom: Create activation procedure for event notification queue. Create queue to accept messages from event notification, and activate the procedure to process those messages when received. Create service to send messages to that queue. Create event notification on AUDIT_LOGIN events that fire the service. I placed this in msdb as it is an available system database and already has Service Broker enabled by default. You should change this to another database if you can guarantee it won't get dropped. So what to put in place for "interesting activation procedure code"?  Hmmm, so far I haven't addressed Matt's suggestion of writing a lengthy script to send an annoying message: SET @[email protected]('(//HostName)[1]','sysname') + N' tried to log in to server ' + @x.value('(//ServerName)[1]','sysname') + N' as SA at ' + @x.value('(//StartTime)[1]','sysname') + N' using the ' + @x.value('(//ApplicationName)[1]','sysname') + N' program. That''s why you''re getting this message and the attached pornography which' + N' is bloating your inbox and violating company policy, among other things. If you know' + N' this person you can go to their desk and hit them, or use the following SQL to end their session: KILL ' + @x.value('(//SPID)[1]','sysname') + N'; Hopefully they''re in the middle of a huge query that they need to finish right away.' EXEC msdb.dbo.sp_send_dbmail @recipients=N'[email protected]', @subject=N'SA Login Alert', @query_result_width=32767, @body=@message, @query=N'EXEC sp_readerrorlog;', @attach_query_result_as_file=1, @query_attachment_filename=N'UtterlyGrossPorn_SeriouslyDontOpenIt.jpg' I'm not sure I'd call that a lengthy script, but the attachment should get pretty big, and I'm sure the email admins will love storing multiple copies of it.  The nice thing is that this also fires on Dedicated Admin connections! You can even identify DAC connections from the event data returned, I leave that as an exercise for you. You can use that info to change the action taken by the activation procedure, and since it's a stored procedure, it can pretty much do anything! Except KILL the SPID, or SHUTDOWN the server directly.  I'm still working on those.

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  • Using Microsoft's Chart Controls In An ASP.NET Application: Serializing Chart Data

    In most usage scenarios, the data displayed in a Microsoft Chart control comes from some dynamic source, such as from a database query. The appearance of the chart can be modified dynamically, as well; past installments in this article series showed how to programmatically customize the axes, labels, and other appearance-related settings. However, it is possible to statically define the chart's data and appearance strictly through the control's declarative markup. One of the demos examined in the Getting Started article rendered a column chart with seven columns whose labels and values were defined statically in the <asp:Series> tag's <Points> collection. Given this functionality, it should come as no surprise that the Microsoft Chart Controls also support serialization. Serialization is the process of persisting the state of a control or an object to some other medium, such as to disk. Deserialization is the inverse process, and involves taking the persisted data and recreating the control or object. With just a few lines of code you can persist the appearance settings, the data, or both to a file on disk or to any stream. Likewise, it takes just a few lines of codes to reconstitute a chart from the persisted information. This article shows how to use the Microsoft Chart Control's serialization functionality by examining a demo application that allows users to create custom charts, specifying the data to plot and some appearance-related settings. The user can then save a "snapshot" of this chart, which persists its appearance and data to a record in a database. From another page, users can view these saved chart snapshots. Read on to learn more! Read More >

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  • Caching NHibernate Named Queries

    - by TStewartDev
    I recently started a new job and one of my first tasks was to implement a "popular products" design. The parameters were that it be done with NHibernate and be cached for 24 hours at a time because the query will be pretty taxing and the results do not need to be constantly up to date. This ended up being tougher than it sounds. The database schema meant a minimum of four joins with filtering and ordering criteria. I decided to use a stored procedure rather than letting NHibernate create the SQL for me. Here is a summary of what I learned (even if I didn't ultimately use all of it): You can't, at the time of this writing, use Fluent NHibernate to configure SQL named queries or imports You can return persistent entities from a stored procedure and there are a couple ways to do that You can populate POCOs using the results of a stored procedure, but it isn't quite as obvious You can reuse your named query result mapping other places (avoid duplication) Caching your query results is not at all obvious Testing to see if your cache is working is a pain NHibernate does a lot of things right. Having unified, up-to-date, comprehensive, and easy-to-find documentation is not one of them. By the way, if you're new to this, I'll use the terms "named query" and "stored procedure" (from NHibernate's perspective) fairly interchangeably. Technically, a named query can execute any SQL, not just a stored procedure, and a stored procedure doesn't have to be executed from a named query, but for reusability, it seems to me like the best practice. If you're here, chances are good you're looking for answers to a similar problem. You don't want to read about the path, you just want the result. So, here's how to get this thing going. The Stored Procedure NHibernate has some guidelines when using stored procedures. For Microsoft SQL Server, you have to return a result set. The scalar value that the stored procedure returns is ignored as are any result sets after the first. Other than that, it's nothing special. CREATE PROCEDURE GetPopularProducts @StartDate DATETIME, @MaxResults INT AS BEGIN SELECT [ProductId], [ProductName], [ImageUrl] FROM SomeTableWithJoinsEtc END The Result Class - PopularProduct You have two options to transport your query results to your view (or wherever is the final destination): you can populate an existing mapped entity class in your model, or you can create a new entity class. If you go with the existing model, the advantage is that the query will act as a loader and you'll get full proxied access to the domain model. However, this can be a disadvantage if you require access to the related entities that aren't loaded by your results. For example, my PopularProduct has image references. Unless I tie them into the query (thus making it even more complicated and expensive to run), they'll have to be loaded on access, requiring more trips to the database. Since we're trying to avoid trips to the database by using a second-level cache, we should use the second option, which is to create a separate entity for results. This approach is (I believe) in the spirit of the Command-Query Separation principle, and it allows us to flatten our data and optimize our report-generation process from data source to view. public class PopularProduct { public virtual int ProductId { get; set; } public virtual string ProductName { get; set; } public virtual string ImageUrl { get; set; } } The NHibernate Mappings (hbm) Next up, we need to let NHibernate know about the query and where the results will go. Below is the markup for the PopularProduct class. Notice that I'm using the <resultset> element and that it has a name attribute. The name allows us to drop this into our query map and any others, giving us reusability. Also notice the <import> element which lets NHibernate know about our entity class. <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"> <import class="PopularProduct, Infrastructure.NHibernate, Version=1.0.0.0"/> <resultset name="PopularProductResultSet"> <return-scalar column="ProductId" type="System.Int32"/> <return-scalar column="ProductName" type="System.String"/> <return-scalar column="ImageUrl" type="System.String"/> </resultset> </hibernate-mapping>  And now the PopularProductsMap: <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"> <sql-query name="GetPopularProducts" resultset-ref="PopularProductResultSet" cacheable="true" cache-mode="normal"> <query-param name="StartDate" type="System.DateTime" /> <query-param name="MaxResults" type="System.Int32" /> exec GetPopularProducts @StartDate = :StartDate, @MaxResults = :MaxResults </sql-query> </hibernate-mapping>  The two most important things to notice here are the resultset-ref attribute, which links in our resultset mapping, and the cacheable attribute. The Query Class – PopularProductsQuery So far, this has been fairly obvious if you're familiar with NHibernate. This next part, maybe not so much. You can implement your query however you want to; for me, I wanted a self-encapsulated Query class, so here's what it looks like: public class PopularProductsQuery : IPopularProductsQuery { private static readonly IResultTransformer ResultTransformer; private readonly ISessionBuilder _sessionBuilder;   static PopularProductsQuery() { ResultTransformer = Transformers.AliasToBean<PopularProduct>(); }   public PopularProductsQuery(ISessionBuilder sessionBuilder) { _sessionBuilder = sessionBuilder; }   public IList<PopularProduct> GetPopularProducts(DateTime startDate, int maxResults) { var session = _sessionBuilder.GetSession(); var popularProducts = session .GetNamedQuery("GetPopularProducts") .SetCacheable(true) .SetCacheRegion("PopularProductsCacheRegion") .SetCacheMode(CacheMode.Normal) .SetReadOnly(true) .SetResultTransformer(ResultTransformer) .SetParameter("StartDate", startDate.Date) .SetParameter("MaxResults", maxResults) .List<PopularProduct>();   return popularProducts; } }  Okay, so let's look at each line of the query execution. The first, GetNamedQuery, matches up with our NHibernate mapping for the sql-query. Next, we set it as cacheable (this is probably redundant since our mapping also specified it, but it can't hurt, right?). Then we set the cache region which we'll get to in the next section. Set the cache mode (optional, I believe), and my cache is read-only, so I set that as well. The result transformer is very important. This tells NHibernate how to transform your query results into a non-persistent entity. You can see I've defined ResultTransformer in the static constructor using the AliasToBean transformer. The name is obviously leftover from Java/Hibernate. Finally, set your parameters and then call a result method which will execute the query. Because this is set to cached, you execute this statement every time you run the query and NHibernate will know based on your parameters whether to use its cached version or a fresh version. The Configuration – hibernate.cfg.xml and Web.config You need to explicitly enable second-level caching in your hibernate configuration: <hibernate-configuration xmlns="urn:nhibernate-configuration-2.2"> <session-factory> [...] <property name="dialect">NHibernate.Dialect.MsSql2005Dialect</property> <property name="cache.provider_class">NHibernate.Caches.SysCache.SysCacheProvider,NHibernate.Caches.SysCache</property> <property name="cache.use_query_cache">true</property> <property name="cache.use_second_level_cache">true</property> [...] </session-factory> </hibernate-configuration> Both properties "use_query_cache" and "use_second_level_cache" are necessary. As this is for a web deployement, we're using SysCache which relies on ASP.NET's caching. Be aware of this if you're not deploying to the web! You'll have to use a different cache provider. We also need to tell our cache provider (in this cache, SysCache) about our caching region: <syscache> <cache region="PopularProductsCacheRegion" expiration="86400" priority="5" /> </syscache> Here I've set the cache to be valid for 24 hours. This XML snippet goes in your Web.config (or in a separate file referenced by Web.config, which helps keep things tidy). The Payoff That should be it! At this point, your queries should run once against the database for a given set of parameters and then use the cache thereafter until it expires. You can, of course, adjust settings to work in your particular environment. Testing Testing your application to ensure it is using the cache is a pain, but if you're like me, you want to know that it's actually working. It's a bit involved, though, so I'll create a separate post for it if comments indicate there is interest.

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