User-Defined Functions (Database Engine)

The topics in this section provide the information necessary to understand, design, and implement user-defined functions.

Understanding User-defined Functions

Explains user-defined function concepts and includes descriptions and examples of each type available in SQL Server.

Designing User-Defined Functions

Provides specific guidelines, rules and restrictions you should know when designing a user-defined function.

Implementing User-defined Functions

Describes the procedures to create, modify, or delete a user-defined function.