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  • Perspective in Modeling

    - by drsql
    Your task, model a database that represents a suburban block.  You survey the area, and see the following houses (pictures culled from Wikipedia here ) and So you look at the houses, start modeling roofs, windows, lawn, driveway, mail boxes, porches, etc etc. You get done, and with your 30+ tables you are feeling great, right? I know I would be. “I knocked this out of the park! We can capture everything about these houses.  I…am…a…superhero database modeler,” I think, “I will get a big...(read more)

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  • New Exadata and Exalogic Public References

    - by Javier Puerta
    CUSTOMER SUCCESS STORIES & SPOTLIGHTS Godfrey Phillips (India) Exadata, EBS, BI, Agile Published: October 23, 2013 Cortal Sensors (Germany) Exadata Published: October 18, 2013 ASBIS (Slovakia – local language version) English version Exadata, Linux, Oracle Database Appliance, SPARC T4-1, SPARC T5-2, Oracle Solaris Published: October 17, 2013 National Instruments (US) Exadata, BI, EM12c Published: October 15, 2013 United Microelectronics Corporation (Taiwan) Exadata Published: October 14, 2013 Panasonic Information Systems (Japan - local language version] Exadata, Data Guard Published: October 8, 2013 Pinellas County (USA) Exalytics, OEM, OBIEE, Hyperion PS Planning/Budgeting, EBS, Financials Published: Oct. 8, 2013 Korea Enterprise Data (Korea) [in English] Oracle SuperCluster, Solaris 11, ZFS Storage, OEM, Database Published: October 03, 2013

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  • Building package from binary files - what's wrong with my control file

    - by Hannes de Jager
    I'm busy trying to build a .deb package from the binaries of my application (non open source) and I'm having trouble getting the correct info to display in the Ubuntu Software Centre (when you click on the .deb file). Please see screenshot below of control file and Software Centre View. It seems like the package name and the package description is swapped. I'm expecting the part in bold to read "attix5pro" and not "Cloud backup agent". Can someone show my my mistake or guide me?

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  • Linux Mint 14 disponible en Release Candidate, "Nadia" sort avec Nemo le fork de Nautilus, les bureaux Cinnamon 1.6 et Mate 1.4

    "Nadia" : Linux Mint 14 disponible en Release Candidate avec Nemo, le fork de Nautilus les bureaux Cinnamon 1.6 et Mate 1.4 [IMG]http://www.franck-depan.fr/images/logo/systemes-exploitation/linux/distribution-mint/mint-logo.png[/IMG] L'équipe de développement de GNU/Linux Mint annonce la Release Candidate de la quatorzième version de sa distribution fondée sur Ubuntu Voici une brève liste des nouveautés :Mate 1.4 Cinnamon 1.6 Mint Desktop Manager Software Manager améliorations système Mate 1.4 Mate 1.4 renforce non seulement la...

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  • ODBC in SSIS 2012

    - by jamiet
    In August 2011 the SQL Server client team published a blog post entitled Microsoft is Aligning with ODBC for Native Relational Data Access in which they basically said "OLE DB is the past, ODBC is the future. Deal with it.". From that blog post:We encourage you to adopt ODBC in the development of your new and future versions of your application. You don’t need to change your existing applications using OLE DB, as they will continue to be supported on Denali throughout its lifecycle. While this gives you a large window of opportunity for changing your applications before the deprecation goes into effect, you may want to consider migrating those applications to ODBC as a part of your future roadmap.I recently undertook a project using SSIS2012 and heeded that advice by opting to use ODBC Connection Managers rather than OLE DB Connection Managers. Unfortunately my finding was that the ODBC Connection Manager is not yet ready for primetime use in SSIS 2012. The main issue I found was that you can't populate an Object variable with a recordset when using an Execute SQL Task connecting to an ODBC data source; any attempt to do so will result in an error:"Disconnected recordsets are not available from ODBC connections." I have filed a bug on Connect at ODBC Connection Manager does not have same funcitonality as OLE DB. For this reason I strongly recommend that you don't make the move to ODBC Connection Managers in SSIS just yet - best to wait for the next version of SSIS before doing that.I found another couple of issues with the ODBC Connection Manager that are worth keeping in mind:It doesn't recognise System Data Source Names (DSNs), only User DSNs (bug filed at ODBC System DSNs are not available in the ODBC Connection Manager)  UPDATE: According to a comment on that Connect item this may only be a problem on 64bit.In the OLE DB Connection Manager parameter ordinals are 0-based, in the ODBC Connection Manager they are 1-based (oh I just can't wait for the upgrade mess that ensues from this one!!!)You have been warned!@jamiet

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  • Get Your Workshop Hands On!

    - by Justin Kestelyn
    Now that 2010 is behind us, that means a fresh set of Developer Day workshops (still free, always free) are ahead of us! Developer Day workshops are free, hands-on workshops that give you the software and skills to tame that learning curve and reach the next level in your technical knowledge. We have a range of entrees on the menu, including Java Development, Database Application Development, Fusion Development (Oracle ADF), and more. Most of these workshops let you walk away with a fully functional, VirtualBox-based software appliance that you can use for continued learning. Here's a short list of workshops for which you can register right now: - Java: Boston, March 8- Database App Development: Dallas, March 9- SOA Development: Reston, March 9- Data Integration: Seattle, March 15 + others planned for Toronto, Philadelphia, Shanghai, Perth, Istanbul, and many other cities in 2011! See this URL for more workshop info as it becomes available.

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  • SQL SERVER Check the Isolation Level with DBCCuseroptions

    In recent consultancy project coordinator asked me – “can you tell me what is the isolation level for this database?” I have worked with different isolation levels but have not ever queried database for the same. I quickly looked up bookonline and found out the DBCC command which can give me the same details. You [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Video playback in games - formats & decoding

    - by snake5
    What free / non-restrictive open-source solutions (not GPL) are available for decoding game videos? The requirements are simple: a relatively easy to use C API encoded files must be quite small there must be an application that converts videos from any format (whatever codec is installed on Windows or equivalent amount of internally decoded formats) decoding has to happen fairly quickly bonus points go to file formats that are popular / actively supported and developed

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  • SQL Saturday #294 - Philadelphia

    SQL Saturday is coming to Philadelphia on June 7, 2014. This event is a free day of training and networking for SQL Server Professionals, organized by the Philadelphia SQL Server User Group. The event also features two paid-for Precons, one presented by Allan Hirt and the other presented jointly by Joseph D'Antoni and Stacia Misner. Register while space is available. FREE eBook – "45 Database Performance Tips for Developers"Improve your database performance with 45 tips from SQL Server MVPs and industry experts. Get the eBook here.

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  • ClearTrace Performance on 170GB of Trace Files

    - by Bill Graziano
    I’ve always worked to make ClearTrace perform well.  That’s probably because I spend so much time watching it work.  I’m often going through two or three gigabytes of trace files but I rarely get the chance to run it on a really large set of files. One of my clients wanted to run a full trace for a week and then analyze the results.  At the end of that week we had 847 200MB trace files for a total of nearly 170GB. I regularly use 200MB trace files when I monitor production systems.  I usually get around 300,000 statements in a file that size if it’s mostly stored procedures.  So those 847 trace files contained roughly 250 million statements.  (That’s 730 bytes per statement if you’re keeping track.  Newer trace files have some compression in them but I’m not exactly sure what they’re doing.)  On a system running 1,000 statements per second I get a new file every five minutes or so. It took 27 hours to process these files on an older development box.  That works out to 1.77MB/second.  That means ClearTrace processed about 2,654 statements per second. You can query the data while you’re loading it but I’ve found it works better to use a second instance of ClearTrace to do this.  I’m not sure why yet but I think there’s still some dependency between the two processes. ClearTrace is almost always CPU bound.  It’s really just a huge, ugly collection of regular expressions.  It only writes a summary to its database at the end of each trace file so that usually isn’t a bottleneck.  At the end of this process, the executable was using roughly 435MB of RAM.  Certainly more than when it started but I think that’s acceptable. The database where all this is stored started out at 100MB.  After processing 170GB of trace files the database had grown to 203MB.  The space savings are due to the “datawarehouse-ish” design and only storing a summary of each trace file. You can download ClearTrace for SQL Server 2008 or test out the beta version for SQL Server 2012.  Happy Tuning!

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  • New Marketing Assets Available

    - by swalker
    NEW translated demand generation materials available for the following Oracle Marketing Kits, designed to help partners generate sales around Oracle's solutions: Server & Storage: Improve Database Capacity Management with Oracle Storage and Hybrid Columnar Compression Server & Storage: Accelerating Database Test & Development with Sun ZFS Storage Appliance Server & Storage: Upgrade SAN Storage to Oracle Pillar Axiom Server & Storage: SPARC Refresh with Oracle Solaris Operating System Server & Storage: SPARC Server Refresh: The Next Level of Datacenter Performance with Oracle’s New SPARC Servers Server & Storage: Oracle Server Virtualization Server & Storage: Oracle Desktop Virtualization

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  • How to choose how to store data?

    - by Eldros
    Give a man a fish and you feed him for a day. Teach a man to fish and you feed him for a lifetime. - Chinese Proverb I could ask what kind of data storage I should use for my actual project, but I want to learn to fish, so I don't need to ask for a fish each time I begin a new project. So, until I used two methods to store data on my non-game project: XML files, and relational databases. I know that there is also other kind of database, of the NoSQL kind. However I wouldn't know if there is more choice available to me, or how to choose in the first place, aside arbitrary picking one. So the question is the following: How should I choose the kind of data storage for a game project? And I would be interested on the following criterion when choosing: The size of the project. The platform targeted by the game. The complexity of the data structure. Added Portability of data amongst many project. Added How often should the data be accessed Added Multiple type of data for a same application Any other point you think is of interest when deciding what to use. EDIT I know about Would it be better to use XML/JSON/Text or a database to store game content?, but thought it didn't address exactly my point. Now if I am wrong, I would gladely be shown the error in my ways.

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  • Turn-around time in PHP

    - by user73409
    Is there any one who had tried to build/convert a php version of the Excel method in computing Turn-around time(excluding holidays, weekends and non-business hours)? Excel Turn-around Time Computation: =(NETWORKDAYS(A2,B2,H$1:H$10)-1)*("17:00"-"8:00")+IF(NETWORKDAYS(B2,B2,H$1:H$10),MEDIAN(MOD(B2,1),"17:00","8:00"),"17:00")-MEDIAN(NETWORKDAYS(A2,A2,H$1:H$10)*MOD(A2,1),"17:00","8:00") :REF-URL[http://www.mrexcel.com/forum/excel-questions/514097-i-need-formual-calculate-turn-around-time.html] Thanks.

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  • Le "In-Memory" débarque dans SQL Server, Microsoft muscle Excel pour la BI et annonce le SP1 de SQL Server 2012 au Pass Summit 2012

    Pass Summit 2012 : Microsoft dote SQL Server d'une base de données In-Memory et annonce la disponibilité du SP 1 de SQL Server 2012 et SQL Server 2012 PDW Microsoft a profité de son salon Pass Summit 2012 dédié à SQL Server pour dévoiler sa vision d'une plateforme de gestion de données moderne. L'éditeur à travers plusieurs annonces a renouvelé son engagement d'aider ses clients à mieux exploiter leurs données, qu'elles soient structurées ou non structurées, où qu'elles se trouvent et quelle que soit leur taille. L'annonce phare qui a marqué l'ouverture du Pass Summit 2012 a été la présentation d'une nouvelle technologie de base de données transactionnelles in-Memory

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  • Can I use copyrighted images and music in my game? [duplicate]

    - by Aman Grover
    This question already has an answer here: Using modified copyrighted music in non-commercial games 3 answers I am working on my first ever project , and I have used some copyrighted images(images taken from some other well recognized games). Is it even possible that I edit the images a little bit and then use them as royalty free images? If not, then can anyone tell me some web links from where I can get royalty free images?

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  • Access Control Service v2: Registering Web Identities in your Applications [concepts]

    - by Your DisplayName here!
    ACS v2 support two fundamental types of client identities– I like to call them “enterprise identities” (WS-*) and “web identities” (Google, LiveID, OpenId in general…). I also see two different “mind sets” when it comes to application design using the above identity types: Enterprise identities – often the fact that a client can present a token from a trusted identity provider means he is a legitimate user of the application. Trust relationships and authorization details have been negotiated out of band (often on paper). Web identities – the fact that a user can authenticate with Google et al does not necessarily mean he is a legitimate (or registered) user of an application. Typically additional steps are necessary (like filling out a form, email confirmation etc). Sometimes also a mixture of both approaches exist, for the sake of this post, I will focus on the web identity case. I got a number of questions how to implement the web identity scenario and after some conversations it turns out it is the old authentication vs. authorization problem that gets in the way. Many people use the IsAuthenticated property on IIdentity to make security decisions in their applications (or deny user=”?” in ASP.NET terms). That’s a very natural thing to do, because authentication was done inside the application and we knew exactly when the IsAuthenticated condition is true. Been there, done that. Guilty ;) The fundamental difference between these “old style” apps and federation is, that authentication is not done by the application anymore. It is done by a third party service, and in the case of web identity providers, in services that are not under our control (nor do we have a formal business relationship with these providers). Now the issue is, when you switch to ACS, and someone with a Google account authenticates, indeed IsAuthenticated is true – because that’s what he is! This does not mean, that he is also authorized to use the application. It just proves he was able to authenticate with Google. Now this obviously leads to confusion. How can we solve that? Easy answer: We have to deal with authentication and authorization separately. Job done ;) For many application types I see this general approach: Application uses ACS for authentication (maybe both enterprise and web identities, we focus on web identities but you could easily have a dual approach here) Application offers to authenticate (or sign in) via web identity accounts like LiveID, Google, Facebook etc. Application also maintains a database of its “own” users. Typically you want to store additional information about the user In such an application type it is important to have a unique identifier for your users (think the primary key of your user database). What would that be? Most web identity provider (and all the standard ACS v2 supported ones) emit a NameIdentifier claim. This is a stable ID for the client (scoped to the relying party – more on that later). Furthermore ACS emits a claims identifying the identity provider (like the original issuer concept in WIF). When you combine these two values together, you can be sure to have a unique identifier for the user, e.g.: Facebook-134952459903700\799880347 You can now check on incoming calls, if the user is already registered and if yes, swap the ACS claims with claims coming from your user database. One claims would maybe be a role like “Registered User” which can then be easily used to do authorization checks in the application. The WIF claims authentication manager is a perfect place to do the claims transformation. If the user is not registered, show a register form. Maybe you can use some claims from the identity provider to pre-fill form fields. (see here where I show how to use the Facebook API to fetch additional user properties). After successful registration (which may include other mechanisms like a confirmation email), flip the bit in your database to make the web identity a registered user. This is all very theoretical. In the next post I will show some code and provide a download link for the complete sample. More on NameIdentifier Identity providers “guarantee” that the name identifier for a given user in your application will always be the same. But different applications (in the case of ACS – different ACS namespaces) will see different name identifiers. This is by design to protect the privacy of users because identical name identifiers could be used to create “profiles” of some sort for that user. In technical terms they create the name identifier approximately like this: name identifier = Hash((Provider Internal User ID) + (Relying Party Address)) Why is this important to know? Well – when you change the name of your ACS namespace, the name identifiers will change as well and you will will lose your “connection” to your existing users. Oh an btw – never use any other claims (like email address or name) to form a unique ID – these can often be changed by users.

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  • Building my first ASP.NET WebForms application problem

    - by user1525474
    Hi I have recently started to learn C#/ASP.NET WebForms and after reading two books I thought I was ready to create my first web application. Problem is I could not have been more wrong. Although I am not quite a beginner as a programmer and have done some programming in Java (a Monopoly game), JavaScript (using jQuery), and PHP (create templates for WordPress), I never really created something that is database driven, and I can't seem to figure where to start. I am very confident in my HTML/CSS/jQuery skills, so that is not the problem. My end goal after becoming comfortable in ASP.NET WebForms is to learn MVC, ADO.NET, and the Entity Framework, and start a career as a .NET developer. I would like if someone could tell me some tutorials that build ASP.NET WebForms applications, such as a blog, so I can see what are the steps in creating an ASP.NET WebForms database driven application. I already have to projects in mind for ASP.NET. One is building a blog and the other building a job board.

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  • Test Doubles : Do they go in "source packages" or "test packages"?

    - by sbrattla
    I've got a couple of data access objects (DefaultPersonServices.class, DefaultAddressServices.class) which is responsible for various CRUD operations in a database. A few different classes use these services, but as the services requires that a connection is established with a database I can't really use them in unit tests as they take too long. Thus, I'd like to create a test doubles for them and simply do FakePersonServices.class and FakeAddressService.class implementations which I can use throughout testing. Now, this is all good (I assume)...but my question relates to where I put the test doubles. Should I keep them along with the default implementations (aka "real" implementations) or should I keep them in a corresponding test package. The default implementations are found in Source Packages : com.company.data.services. Should I keep the test doubles here too, or should the test doubles rather be in Test Packages : com.company.data.services?

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  • New customer references for Exadata-based projects

    - by Javier Puerta
    Milletech Systems, Inc. shows a large state university how to improve query response times 15-fold using its grant management solution built on Oracle’s Extreme Performance Infrastructure. Read More. Ação Informática helped Valdecard realize a 15-Fold Improvement in Fleet-Management and Benefit Card Data Processing using Oracle Exadata Machine. Read More. Neusoft deployed Benxi Municipal Human Resources and Social Security Bureau’s cloud-based database platform to process social insurance payments 50-times faster using Oracle Exadata Database Machine. Read More.

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  • The ETL from Hell - Diagnosing Batch System Performance Issues

    Too often, the batch systems that underlie a lot of database processing just grow without conscious design. When runs start to extend beyond their allotted time, and tuning no longer solves the problem, it is often discovered that batches are run in series, with draconian error handling. It is time to impose some rational design, and Nigel is a seasoned healer of batch processes. The seven tools in the SQL DBA Bundle support your core SQL Server database administration tasks.Make backups a breeze! Enjoy trouble-free troubleshooting! Make the most of monitoring! Download a free trial now.

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