SQL functions are used to perform calculations and manipulations on data stored in a relational database. There are many types of SQL functions, including aggregate functions, date functions, …

Nov 15, 2025 · SQL functions are built-in operations that perform calculations, manipulate data, and return results in queries, making data handling simpler without writing complex code.

SQL Server has many built-in functions. This reference contains string, numeric, date, conversion, and some advanced functions in SQL Server.

Nov 18, 2025 · Learn about the categories of built-in functions you can use with SQL databases. You can use the built-in functions or create your own user-defined functions.

SQL string functions perform operation on a string input value and return a string or numeric value. The following table summarizes some useful string functions:

Aug 25, 2021 · Welcome to the ultimate resource for mastering SQL functions - the Standard SQL Functions Cheat Sheet. It's designed to be a quick yet comprehensive reference guide for both …

Nov 11, 2025 · SQL functions are important components of database management. These pre-defined operations allow users to make database processing simpler and easier to do, as they aggregate …

SQL has many built-in functions for performing processing on string or numeric data. Following is the list of all useful SQL built-in functions −. SQL COUNT Function - The SQL COUNT aggregate function is …

This section provides you with the commonly used SQL Server functions, including aggregate functions, date functions, string functions, system functions, and window functions. This tutorial introduces you …

Dec 18, 2025 · Learn the basics of SQL functions and take your skills to the next level with advanced functions like window and user-defined functions. In the realm of database management, Structured …