Batch Mode Bitmaps in SQL Server Paul White takes a deep dive into SQL Server batch mode bitmaps revealing undocumented details that can greatly impact performance. Paul White ◆ August 23, 2019 3
Hash Joins on Nullable Columns Paul White (@SQL_Kiwi) discusses some less well-known query optimizer features and limitations, and explains poor performance of certain hash joins. Paul White ◆ November 3, 2015 18