Thomas LaRock: "Without a basic understanding of wait events and how the occur, you will waste a lot of time trying and guessing at how to improve the performance of a query." Optimizing SQL Server ...

As a consultant whose job description includes putting out performance fires, I get to see a lot of problematic queries that can dramatically harm overall server performance and throughput. Wondering ...

When it comes to improving the performance of database systems, there are nearly as many approaches as there are DBA (database administrator) teams. That might sound acceptable at first glance. But, ...

Comparing cursor vs. WHILE loop performance in SQL Server 2008 Your email has been sent Tim Chapman discusses your iteration choices in SQL Server 2008 and explains why determining which option ...

In this second delve into data cleanliness (read the first, How clean is your data?, here), we’ll test-drive the data profiling tool provided with Microsoft SQL Server. Other profiling tools have ...