Recompress Heaps

Heaps, or tables without a clustered index, suffer from a little-known problem when configured with page compression. Page compression only takes place once a page is 100% full, i.e. when no more rows can be…

How to Corrupt a Database

Microsoft goes to great lengths to ensure data integrity remains its paramount concern with SQL Server data. After all, ACID compliance doesn’t mean much if the underlying data is corrupt. Having said that, there are…

What SQL Text is that Session Running?

Use the code below if you have a long, complicated, stored procedure or piece of dynamic SQL running on a server, and you’d like to see exactly which piece of SQL Text, or code, is…

Blocked Process Detection and Analysis

Blocked process detection provides the DBA an excellent tool for improving the apparent responsiveness of SQL Server. This post provides example code for creating a blocked process Extended Events capture session. Also included is a…