Relational databases are designed for multiple simultaneous users, and Microsoft SQL Server is no different. However, supporting multiple users requires some form of concurrency control, which in SQL Server's case means transaction isolation and locking. Read on to learn how SQL Server 2008 implements locking.
Latest SQL Server Articles
Using LINQ with Dynamic Where Clauses
Do you need to create Dynamic Where Clauses at runtime? No need to use string concatenation with SQL, LINQ is fully capable of performing the same task.
SQL Server Modeling Services with Microsoft Visual Studio 2010 Beta 2
Learn how to use SQL Modeling Services to hunt for interdependencies without having to access source code.
SELECT, INSERT, UPDATE with the SQL MERGE Statement
In today's column we'll demonstrate how and when to use the new TSQL MERGE statement and how this can be a helpful addition to your toolbox.
SQL Server 2008 Policy Management
Learn how to define policies and use them to better manage your SQL Server 2008 instances.
Writing UDFs for Firebird Embedded SQL Server
This article was written mainly for developers who use Firebird Embedded SQL Server in .Net framework applications and want to speed up or optimize DB queries. We will describe how to create your own native Firebird extension and show some approaches how to use it in managed code applications.
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The Transactional File System (TxF), which allows access to an NTFS file system to be conducted in a transacted manner through extensions to the Windows SDK API. MFC 10, has been extended to support TxF and related technologies. This support allows existing MFC applications to be easily extended to support kernel transactions.
.NET Framework: Collections and Generics
The original release of the .NET Framework included collections as .NET was introduced to the Microsoft programming world. The .NET Framework 2.0 introduced generics to complement the System.Collections namespace and provide a more efficient and well performing option. Read on to learn more...

Working with the Clipboard in VB.NET and C#
It might be strange to find an entire article dedicated to the Clipboard object but the sad fact is people still do not know what the Clipboard object is, how to differentiate between copied information, and how to use it. Hannes du Preez demonstrates its proper use, to eliminate any remaining confusion.

Learn About Asynchronous HTTP Modules and HTTP Handlers in Asp.Net 4.5
One of the good things about Asp.Net 4.5 is that you can introduce asynchronous processing in web applications that you develop with little effort. This article takes you through the asynchronous HTTP Modules and Handlers in Asp.Net 4.5.