A function in SQL is a set of SQL statements that perform a specific task and return a single value. Functions help in encapsulating a set of logic that can be reused in various parts of SQL queries, …

Specifies that a series of Transact-SQL statements, which together don't produce a side effect such as modifying a table, define the value of the function. function_body is used only in scalar functions and …

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.

A T-SQL function in SQL Server database represents an user-defined object that contains one or more SQL statements to perform a specific operations. A SQL Server function accepts input parameters, …

Syntax for SQL Functions A function is a command that manipulates data items and returns a single value. The sections that follow show each SQL function and its related syntax. Refer to Subclauses …

Learn how to create and drop functions in SQL Server (Transact-SQL) with syntax and examples. In SQL Server, a function is a stored program that you can pass parameters into and return a value.

Aug 25, 2021 · Your quick guide to SQL functions! Download the cheat sheet in PDF or PNG for syntax reference, examples, and tips.

This section provides you with many built-in SQL functions including aggregate functions, date functions, string functions, and window functions.

Jan 1, 2024 · SQL provides much in-build function to perform operation of table data, these functions can be with-in SQL statements or queries, and can also be used within the programming …