Reproduce traditional row-lock accumulation and writer blocking, then see how SQL Server 2025 uses transaction ID locking and Lock After Qualification to improve concurrency—and where hints, isolation levels, and query shapes limit the benefit.
2026-09-23
2,912 reads
See how SQL Server 2025 uses Optional Parameter Plan Optimization to create separate plans for selective and unfiltered searches, how to verify the dispatcher and variants, and when dynamic SQL or recompilation is still the better choice.
2026-09-14
2,560 reads
See how SQL Server's Parameter Sensitive Plan optimization handles skewed parameters, how to verify dispatcher plans, and where PSP still falls short.
2026-09-04
3,731 reads
Learn about a few new features built into SQL Server 2022 that can help improve performance on your workload.
2026-07-08
3,558 reads
Learn how parameter sniffing appeared in a real system and how the issues were solved.
2026-06-29
5,497 reads
This article shows how you can generate embeddings in SQL Server 2025, store them, and use them in your queries.
2026-06-08
3,331 reads
SQL Server 2022 brought powerful new T-SQL functions that eliminate long-standing workarounds. This article walks through five of the most impactful additions — GENERATE_SERIES, GREATEST/LEAST, DATE_BUCKET, the WINDOW clause, and IS NOT DISTINCT FROM — with practical code examples you can use immediately.
2026-05-29
7,256 reads
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
You can find the slides and SQL scripts for my session “Spice up your...
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
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Comments posted to this topic are about the item PostgreSQL psql Meta Commands: Databases
Which of the following meta commands (sometimes called backslash or slash commands) within psql will provide you with information about the databases on the cluster?
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