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.

This SQL feature allows you to query within a result set, creatively limit your result set, or correlate your results with an otherwise unrelated query in a single call to the database.

In R, the sqldf package lets you run SQL queries on an R data frame, and that’s what I’ll use in this example. There’s a similar sqldf library in Python.

You can use SQL to create, modify, search, and display database information. Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements.

mcp_ohmy_sql is an open-source Text-to-SQL system developed for deployment in enterprise production. It is not about specific ...

The better solution for such a massive operation is to use an inline CASE statement in the query to set the column value, during the insert operation itself. This way, you handle both the initial ...

Two caveats: First, even if you’re working with SQL Server 2016, your database’s compatibility level must be set to 130 or higher to use these features. You can view your database’s compatibility ...