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SQL Server 2014 Development Essentials
book

SQL Server 2014 Development Essentials

by Basit A. Masood-Al-Farooq
July 2014
Intermediate to advanced
214 pages
4h 47m
English
Packt Publishing
Content preview from SQL Server 2014 Development Essentials

Creating and using user-defined functions

User-defined functions (UDFs) are similar to stored procedures, except that they do not support OUTPUT parameters. Instead, a user-defined function returns a value. The type of value returned depends on the type of function. One of the two most notable differences between stored procedures and user-defined functions is that user-defined functions can be used in the SELECT statement, and you can join them to tables, views, CTE and even other functions. The second difference is that you can perform DML operations within stored procedures, but you cannot perform DML operations within user-defined functions.

We primarily use functions to perform logic and complex functions. SQL Server supports Transact-SQL ...

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Publisher Resources

ISBN: 9781782172550Supplemental Content