April 2001
Beginner
792 pages
17h 51m
English
Content preview from Microsoft® SQL Server™ 2000 Programming by ExampleBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 10. Enhancing Business Logic: User-Defined Functions (UDF)
Procedural languages are based mainly in the capability to create functions, encapsulate complex programming functionality, and return a value as a result of the operation. Using SQL Server 2000, you can define user-defined functions(UDF), which combine the functionality of stored procedures and views but provide extended flexibility.
This chapter teaches you the following:
What the built-in user-defined functions are and how to use them
How to define user-defined functions that return a scalar value
How to define user-defined functions that return a result set
How to convert stored procedures and views into user-defined functions
How to extend the functionality of constraints with ...
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