In SQL Server 2017, automatic plan correction was added, which allows for the database engine to automatically use the "last known good plan" for a query that has suddenly regressed in performance.

Discover how to effectively learn SQL using ChatGPT, a powerful language model. Level up your SQL skills today!

Applications that use the Jakarta Persistence API shouldn’t embed too much raw SQL in their code. However, when you need an SQL query for performance reasons or to access the database in a way that ...

In the SQL code, I used fully qualified column names because I’m directly comparing the two tables, not merely using the result set as a passive resource. I’m not returning results from the ...