Goal
When you have completed this chapter, you will be able to use aggregate functions to count rows of data and to calculate averages, sums, maximums, and minimums for groups of data.
Summary
You can use the aggregate functions AVG, COUNT, MAX, MIN, and SUM to perform calculations within your SELECT statement to summarize information about groups of rows in a table.
This section contains the following topics:
|
Copyright © 2014 CA.
All rights reserved.
|
|