# Common T-SQL Functions

Common T-SQL Functions: Common T-SQL Functions.

Updated: November 3, 2026

1. [Common T-SQL Functions](https://www.ask-codey.com/lessons/common-t-sql-functions) (Apprentice): T-SQL's built-in functions work on one row at a time. Join and change text, put a value in place of NULL, and pull apart dates and round numbers.

Source: https://www.ask-codey.com/courses/csharp-full-stack-bootcamp/topics/common-t-sql-functions