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 ...

A popular performance tuning book gets updated for SQL Server 2022, how does it fare? This well-liked SQL Server book examines performance from various angles, but concentrates on improvements related ...

SQL Server performance tuning is a complex topic due to how layered it is. While performance problems can often be traced back to data storage issues, the performance tuning process is a "holistic ...

This book aims to give you the tools and knowledge to get peak performance from your queries, how does it fare? The book, which is largely an update to the author’s Microsoft SQL Server 2014 Query ...

If you've just started writing SQL Server queries, there's a good chance you probably wrote a query, saw it return the right ...

First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data work ...

Indexing is a critical part of database optimization. Indexing can dramatically increase query speed. However, DBAs still struggle with finding optimal indexes or optimal SQL plans. DBTA held a ...

Dave the DBA adds an index to a table to improve a report query that takes over an hour to run. Now it takes 10 minutes. Dave is a hero. But not for long. Later in the week, he'll find himself ...