When all queries against a SQL Server instance or a particular database application are slow, the cause is often outside any single query. This article helps database administrators and application ...

Blocking is normal in any lock-based relational database, but persistent or long-running blocking degrades throughput and causes application timeouts. This article describes what blocking is in SQL ...

A popular performance tuning book gets updated for SQL Server 2025, how does it fare? Ian Stirk takes and in depth look and finds it pretty good. This well-liked SQL Server book examines performance ...