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• SQL Server: Natural Key Versus Surrogate Key

  When designing a database to support applications you need to consider how you are going to handle primary keys. This article explores natural and surrogate keys, and discusses the pros and cons of each, allowing you to determine what makes the best sense in your environment when you are designing your databases. NEW! SQL Monitor 2.0Monitor SQL Server Central's servers withRed Gate's new SQL Monitor.No installation required. Find out more.

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• APress Deal of the Day - 6/Sep/2012 - Pro Access 2010 Development

  - by TATWORTH

  Today's $10 deal of the day from APress at http://www.apress.com/9781430235781 is Pro Access 2010 Development"Pro Access 2010 Development is a fundamental resource for developing business applications that take advantage of the features of Access 2010. You'll learn how to build database applications, create Web-based databases, develop macros and VBA tools for Access applications, integrate Access with SharePoint, and much more."

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• 5 Reasons You Must Start Capturing Baseline Data

  It is widely acknowledged within the SQL Server community that baselines represent valuable information that DBAs should capture. Unfortunately, very few companies manage to log and report on this information, and DBAs are then forced to troubleshoot from the hip and scramble to find evidence to prove that the database is not the problem. This article will make a compelling argument for why DBAs must start capturing baseline information, and will create a roadmap for subsequent posts.

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• Help with MVC design pattern?

  - by user3681240

  I am trying to build a java program for user login but I am not sure if my MVC design is accurate. I have the following classes: LoginControl - servlet LoginBean - data holder java class with private variables getters and setters LoginDAO - concrete java class where I am running my SQL queries and doing rest of the logical work. Connection class - java class just to connect to the database view - jsp to display the results html - used for form Is this how you design a java program based on MVC design pattern? Please provide some suggestions?

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• SQL Server Reporting Services ReportItems Collection

  What is SQL Server Reporting Services 2012 (SSRS) ReportItems collection and how do I use it? Are there any restrictions on its use? Check out this tip to learn more. Want to work faster with SQL Server?If you want to work faster try out the SQL Toolbelt. "The SQL Toolbelt provides tools that database developers as well as DBAs should not live without." William Van Orden. Download the SQL Toolbelt here.

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• Maximizing Throughput with TVPs

  TVPs offer several performance optimization possibilities that other bulk operations do not allow, and these operations may allow for TVP performance to exceed other bulk operations by an order of magnitude, especially for a pattern where subsets of the data are frequently updated. Want to work faster with SQL Server?If you want to work faster try out the SQL Toolbelt. "The SQL Toolbelt provides tools that database developers as well as DBAs should not live without." William Van Orden. Download the SQL Toolbelt here.

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• Interested in going to the cloud then this might be useful

  - by simonsabin

  Bob Duffy is doing an afternoon seminar on Azure. It will provide an introduction to the Azure platform, and in particular SQL Azure, show tools and methodologies to migrate on premise databases into the cloud, using a sample application and database and finally it will detail some of the Azure specific features that enable massive scale OLTP solutions such as federations. http://www.prodata.ie/Events/2012/SQL-Azure_and_the_Cloud.aspx...(read more)

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• technique for checking modifications in configuration file while starting up a program

  - by rajesh

  I'm writing a software for periodically checking a specific range of networked devices' reach-ability. I'm specifying the address range and the time frequency for checking their reachability, in an xml file. Which technique can I use to check that xml file during the start up of the program for any modifications done in either the range or the frequency and do the necessary update in specific database?

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• World Backup Day

  This Saturday is World Backup Day, and with this in mind, Red Gate's Brian Harris talks about SQL Backup 7 and why they want to make backup verification a focus for more DBAs. What are your servers really trying to tell you? Find out with new SQL Monitor 3.0, an easy-to-use tool built for no-nonsense database professionals.For effortless insights into SQL Server, download a free trial today.

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• Using ASCMD to run command line scripts for SQL Server Analysis Services

  Sometimes it would be helpful to run scripts from a command line for Analysis Services. This would be useful for things like creating backups, processing data or running other tasks. Is there a command line tool like sqlcmd for multidimensional databases and Data Mining? What are your servers really trying to tell you? Find out with new SQL Monitor 3.0, an easy-to-use tool built for no-nonsense database professionals.For effortless insights into SQL Server, download a free trial today.

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• Where should I start and how to progress when learning Java EE

  - by danizmax

  I know basic stuff like, what are beans, jsp, servlet, jsf and how this stuff should work together. I know how to make basic jsp page with database query for example. Now I need to know what is the best path to learn all this stuff. My plan is to learn in this order: jsp (including persistance and JSTL) servlets + beans jsf The jump to frameworks (hibernate, struts, spring, etc) Also I'm not exactly sure about JSF, is it a must to make great pages or is it just a convenience to know?

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• Using Variables Within Crystal Report Formulas

  This article demonstrates how to create formulas in a Crystal Report and use the Crystal scripting language to create variables, use built in functions, perform conditional logic, and manipulate dates. After a brief introduction, the article provides the steps required to create the database, the website, and the report, including how to add fields and formulas to the report. Near the end, the article examines the steps required to create formulas with variables.

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• Declarative Data Load for Object Properties & .NET UI Controls

  This article details a new practice to prepare the .NET Business Objects using the data retrieved from the Database and binding them to .NET UI Controls dynamically using Reflection through centralized mapping between a typess Properties Vs Data-Columns Vs UI-Controls....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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• Declarative Data Load for Object Properties & .NET UI Controls

  This article details a new practice to prepare the .NET Business Objects using the data retrieved from the Database and binding them to .NET UI Controls dynamically using Reflection through centralized mapping between a types’s Properties Vs Data-Columns Vs UI-Controls.

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• "Launching Performance "

  Storage bandwidth has limited the performance of growing data warehouses. Read how Oracle Exadata overcomes storage bandwidth limitations and delivers extreme computing power to the HP Oracle Database Machine and the HP Oracle Exadata Storage Server.

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• Why the Indian link builders or SEO companies can make so many high quality links at the same time? [closed]

  - by chiba

  There are a lot of Indian SEO companies or link builders that offer a lot of high quality link. Some of them for example offer links just from "co.uk" or "French site" with high page ranks. I have heard that even the SEO companies from other countries outsource link building to India. Do they have special connections for building links ? or Do they exchange the information between another Indian companies and have a big database of the sites where they can link?

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• Manipulating XML Data in SQL Server

  When the average database developer is obliged to manipulate XML, either shredding it into relational format, or creating it from SQL, it is often done 'at arms length'. A shame, since effective use of techniques that go beyond the basics can save much code, "It really helped us isolate where we were experiencing a bottleneck"- John Q Martin, SQL Server DBA. Get started with SQL Monitor today to solve tricky performance problems - download a free trial

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• New customer references for Exadata projects

  - by Javier Puerta

  Denver Regional Transportation District (USA)  Exadata, BI Suite EE, Oracle Linux, Oracle ACSDenver Regional Transportation District Deploys Engineered System in One Week for a Four-Fold Reduction in Database Operations and Management Resources Published: August 21, 2012 Balubaid Group (Saudi Arabia) Exadata, SPARC M4000, Solaris, OBIEE 11gBalubaid Group of Companies Reduces Help-Desk Complaints by 75%, Improves Business Continuity and System Response Published August 21, 2012 All customer reference collateral can be found on Oracle.com/customers. Search by content type, product, industry, region, and even keywords.

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• Ingres VectorWise goes GA, open source by end of year

  <b>The H Open: </b>"Ingres have made Ingres VectorWise generally available to download for free evaluation or commercially licence and say that an open source release for the accelerated database technology should be expected by the end of the year."

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• SQL Server Integration Services Connection Manager Tips and Tricks

  In this article, we will take a look at the following Tips and Tricks for Connection Managers: Adding an "Application Name" property to the connection string; Creating Two Connection Managers for each Database Connection; and Capturing Connection Manager details in Package Configurations Deployment Manager 2 is now free!The new version includes tons of new features and we've launched a completely free Starter Edition! Get Deployment Manager here

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• Perform Routine Server Checks Using PowerShell

  Database administrators tend to perform a lot of routine checks, referred to as sanity checks, on a daily, weekly, and monthly basis. Rob Gravelle shows you how to write some PowerShell scripts to automate a couple of fairly common sanity checks. New! SQL Monitor 3.0 Red Gate's multi-server performance monitoring and alerting tool gets results from Day One.Simple to install and easy to use – download a free trial today.

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• EF Doesn't Like Same Named Tables

  - by Anthony Trudeau

  Originally posted on: http://geekswithblogs.net/tonyt/archive/2013/07/02/153327.aspxIt's another week and another restriction imposed by the Entity Framework (EF). Don't get me wrong. I like EF, but I don't like how it restricts you in different ways. At this point you may be asking yourself the question: how can you have more than one table with the same name?The answer is to have tables in different schemas. I do this to partition the data based on the area of concern. It allows security to be assigned conveniently. A lot of people don't use schemas. I love them. But this article isn't about schemas.In the situation I have two tables:Contact.PersonEmployee.PersonThe first contains the basic, more public information such as the name. The second contains mostly HR specific information. I then mapped these tables to two classes. I stuck to a Table per Class (TPC) mapping, because of problems I've had in the past implementing inheritance with EF. The following code gives you the basic contents of the classes.[Table("Person", Schema = "Employee")]public class Employee {   ...   public int PersonId { get; set; }   [ForeignKey("PersonId")]   public virtual Person Person { get; set; }}[Table("Person", Schema = "Contact")]public class Person {   [Key]   public int Id { get; set; }   ...}This seemingly simple scenario just doesn't work. The problem occurs when you try to add a Person to the DbContext. You get an InvalidOperationException with the following text:The entity types 'Employee' and 'Person' cannot share table 'People' because they are not in the same type hierarchy or do not have a valid one to one foreign key relationship with matching primary keys between them..This is interesting for a couple of reasons. First, there is no People table in my database. Second, I have used the SetInitializer method to stop a database from being created, so it shouldn't be thinking about new tables.The solution to my problem was to change the name of my Employee.Person table. I decided to name it Employee.Employee. It's not ideal, but it gets me past the EF limitation. I hope that this article will help someone else that has the same problem.

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• Updated sp_indexinfo

  - by TiborKaraszi

  It was time to give sp_indexinfo some love. The procedure is meant to be the "ultimate" index information procedure, providing lots of information about all indexes in a database or all indexes for a certain table. Here is what I did in this update: Changed the second query that retrieves missing index information so it generates the index name (based on schema name, table name and column named - limited to 128 characters). Re-arranged and shortened column names to make output more compact and more...(read more)

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• A follow up to yesterday

  - by GrumpyOldDBA

  As I have been asked,  here to tidy up yesterdays post is the procedure my startup procedure calls along with the logging table deployed in the DBA database. Just to muddy the water further I have routines for remotely calling the DBAMessages table through a remote server to send out email from a central server!! Just to explain that I have been ( previously ) limited to only using one Server to send email alerts for multiple Servers so I attempt to code to deal with all possible circumstances...(read more)

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• How To Prevent Microsoft SQL Injection in ASP.Net

  This is a two-part tutorial series meant to help beginners understand MS SQL database injection and the problems associated with it particularly when applied to an ASP.NET web form application. It also outlines preventive measures which will be discussed thoroughly in the second part so that you can secure your SQL-based web applications.... ALM Software Solution ? Try it live! Requirements Management, Project Planning, Implementation Tracking & QA Testing.

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