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MySQLArticle :: SELECT Statement: The GROUP BY Clause in SQL
Author: awprofessional.com |
Published: 18th Nov 2006 |
Visited: 319 times |
Add CommentFiled in: MySQLRick F. van der Lans explains how SQL's GROUP BY clause groups rows on the basis of similarities between them. He goes on to explain the use of adding aggregation functions to display summations, averages, frequencies, and subtotals.
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