Learn how to use the SQL subselect statement and handle your ... set The concept of a subselect is simple: One select query is nested inside another query, creating a resource otherwise ...

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.

Thanks to the technology behind ChatGPT, it’s become surprisingly simple to query a ... LLM had more SQL data than R for training.) Note that for my demonstration, I’ll be using a CSV file ...