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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MFC Integration with the Windows Transactional File System (TxF)
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...

How to Determine Which Office Version is Installed with VB.NET and C#
Knowing which version of MS Office is installed on the client computer is vital; unfortunately, many programmers see this as an afterthought. Hannes du Preeze shows you four different ways to determine the Office versions installed so that you don't make this mistake.

Building an Azure Queuing Message Pipeline
A developer building messaging solutions with Azure Queuing and Azure Service Bus should follow a Pipeline pattern when processing a significant number of different messages. One approach to building a Pipeline is to layer a message following an Envelope pattern.