Thomas LaRock

Performance Tuning and Time Invested

12/17/12 I never cared for the phrase “wasted time” when it comes to something like performance tuning. Sure, we all feel that way, especially when we spend hours on something only…

Have You Made These 5 Database Design Mistakes?

11/15/12 Look, everyone makes mistakes. It’s true. But not all of us have the chance to make mistakes that end up costing millions of dollars in hardware and production support cos…

SQL Server CXPacket Wait Type

11/13/12 When are CXPACKET waits a problem? Note: This article, by Thomas LaRock, was posted 8/19/2013 and supercedes the previous version. This update has been made in response to…

SQL Server fn_dblog() Function Details and Example

11/12/12 The fndblog() function (formerly known as the DBCC command) is one of several undocumented functions for SQL Server. It allows you to view the transaction log records in t…

SQL Server ASYNC Network IO Wait Type

11/08/12 THIS ARTICLE HAS BEEN RECENTLY UPDATED AND CONTAINS NEW, TECHNICAL INFORMATION Note: For SQL2000 this wait is called NETWORKIO. The ASYNCNETWORKIO wait indicates that one …