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SQL in 24 Hours, Sams Teach Yourself, Sixth Edition by Ron Plew, Arie D. Jones, Ryan Stephens

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Hour 9. Summarizing Data Results from a Query

What You’ll Learn in This Hour:

Image Definition of functions

Image Using aggregate functions

Image Summarizing data with aggregate functions

Image Results from using functions

In this hour, you learn about SQL’s aggregate functions. You can perform a variety of useful functions with aggregate functions, such as getting the ...

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