August 2007
Beginner
368 pages
5h 33m
English
Content preview from Sams Teach Yourself Microsoft® SQL Server T-SQL in 10 Minutes
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Lesson 10. Using Data Manipulation Functions
In this lesson, you’ll learn what functions are, what types of functions T-SQL supports, and how to use these functions.
Understanding Functions
Like almost any other computer language, SQL supports the use of functions to manipulate data. Functions are operations that are usually performed on data, usually to facilitate conversion and manipulation.
An example of a function is RTrim(), which we used in the last lesson to trim any spaces from the end of a string.
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