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 ...

Production performance problems arrive with pressure. Users are waiting. Jobs are queued. Management wants answers in five minutes. The fastest-looking response — jumping straight to a query plan, ...

Query tuning is key to peak performance in SQL Server databases. However, lots of developers and DBAs constantly struggle to pinpoint the root cause of performance issues and spend way too much time ...

If you're in charge of index tuning for SQL Server, check out this really neat idea. It uses Query Store to find the missing indexes based on the queries that run the longest, nothing to do with ...

Most SQL Server performance issues aren’t caused by “big” problems. They’re usually the result of small, overlooked inefficiencies that quietly compound over time until everything feels slow, unstable ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...

This paper demystifies query tuning by providing a rigorous 12-step process that database professionals at any level can use to systematically assess and adjust query performance, starting from the ...

A collection of Claude Code skills covering the full SQL Server performance tuning workflow — from static T-SQL source review to execution plan analysis, I/O statistics, workload traces, wait ...