Oct 17, 2025 · SQL functions are built-in operations that perform calculations, manipulate data, and return results in queries. They help simplify tasks like data transformation, aggregation, …

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

Sep 29, 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.

The SQL CREATE FUNCTION statement is used to define a new user-defined function (UDF) in a database. A function in SQL is a set of SQL statements that perform a specific task and …

In SQL Server, a function is a pre-written code segment that performs a specific task and returns a value. It’s essentially a set of SQL statements that you can call by name to perform an …

Mar 19, 2025 · Take a closer look at the main types of SQL functions and how to use each. Summary: SQL functions are prewritten actions that can be used to manipulate cells and aid in …

Expressions can be used at several points in SQL statements, such as in the ORDER BY or HAVING clauses of SELECT statements, in the WHERE clause of a SELECT, DELETE, or …

Aug 8, 2025 · SQL Functions - Understand SQL functions, their types & uses. Learn best practices, challenges & future trends to enhance database efficiency & functionality.

Sep 8, 2025 · SQL functions are powerful tools that help streamline queries, perform operations, and manipulate data efficiently. They are essential for handling various tasks within SQL …