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  • Committer: Olaf van der Spek
  • Date: 2011-02-28 11:21:35 UTC
  • mto: (2209.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 2210.
  • Revision ID: olafvdspek@gmail.com-20110228112135-6ptq6cugxfovt7gj
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docs/functions/aggregatefunctions.rst
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Aggregate Functions
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SQL group (aggregate) functions operate on sets of values. If you use an aggregate function in a statement containing no GROUP BY clause, it is equivalent to grouping on all rows.
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        SELECT "function type" ("column_name")
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        FROM "table_name";
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The following are examples of aggregate functions:
 
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The following are examples of aggregate functions:
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:ref:`avg`:  Return the average value of the argument. (Does not work with temporal values unless first converted to numeric values.)
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