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Blogs from Wise Owl on Grouping in SQL
Showing blogs 1-2 (out of 2)
Use the GROUP BY clause in SQL for statistics
Posted by Andy Brown on 14 December 2012
If you want to average, count, sum or perform any other statistic on values in SQL, you need to learn the GROUP BY and HAVING parts of a SQL statement. That's where this online tutorial comes in!
Free SQL training course | SQL tutorial
Posted by Andrew Gould on 13 February 2012
This article provides a comprehensive tutorial in Microsoft SQL Server, taking you from the basics of writing SELECT statements all the way through to creating complex stored procedures.