Actual execution plans are generated after the [!INCLUDE tsql] queries or batches execute. Because of this, an actual execution plan contains runtime information, such as actual number of rows, ...

Often, designing databases and speeding up SQL Server queries are treated as a kind of abstract problem: A just "Find this problem, apply this solution" approach to problem solving. In practice, ...

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 ...

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 ...