SQL Group By Clause in Microsoft Access

Author: databasedev.co.uk | Published: 25th Apr 2006 | Visited: 551 times | Add Comment
Filed in: MS Access

GROUP BY: SQL's Organizational Clause - GROUP BY is an invaluable SQL clause for organizing and performing operations on information about several different items you want to aggregate. For instance, what if you wanted to get information about employee attendance in several different time periods to do comparisons and charting? Or what if you wanted to get the sales figures for several salespeople with a single SQL phrase? GROUP BY is the proper choice when you're selecting multiple columns from one or more tables, and also performing a mathematical operation while selecting them. You must GROUP BY all other columns except for the one with a mathematical operator.....

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