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System Procedures Whose Code Changed in SQL Server 2025

2026-10-10 · by Hannah Vernon · in Internals

I diffed 212 changed system module definitions in SQL Server 2025 and found caller-visible changes in procedures DBAs still use.

The sp_auto_tuning_* Procedures in SQL Server 2025

2026-10-09 · by Hannah Vernon · in Internals

SQL Server 2025 ships new sp_auto_tuning procedures and internal create-index recommendation views, but I checked what they prove.

SQL Server 2025 Added 10 Configuration Options, and One Appeared After RTM

2026-10-06 · by Hannah Vernon · in Internals

I checked the SQL Server 2025 configuration options added after SQL Server 2022 against sys.configurations and Microsoft Learn.

I Could Not Find Documentation for Most of What SQL Server 2025 Added

2026-10-05 · by Hannah Vernon · in Internals

I diffed the SQL Server 2022 and 2025 system catalogs and checked 294 new items against Microsoft Learn. I found no documentation for 258.

New Error Messages in SQL Server 2022

2026-10-04 · by Hannah Vernon · in Internals

I diffed SQL Server 2019 and 2022 system messages, then checked which new 2022 message IDs appear in Microsoft Learn.

System Procedures and Views Whose Code Changed Between SQL Server 2019 and 2022

2026-10-03 · by Hannah Vernon · in Internals

I diffed 217 changed system module definitions between SQL Server 2019 and 2022 and found caller-visible changes in procedures DBAs use.

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