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  • Committer: Brian Aker
  • Date: 2011-03-27 07:03:49 UTC
  • mfrom: (2252.2.3 drizzle-ga)
  • Revision ID: brian@tangent.org-20110327070349-ihqsw1cl19lu8j65
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docs/aggregatefunctions.rst
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Aggregate Functions
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===================
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*SQL aggregate functions are calculated from values in a column, and return a single value.*
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General syntax for aggregate functions is: ::
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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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    * AVG() - Returns the average value
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    * COUNT() - Returns the number of rows
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    * FIRST() - Returns the first value
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    * LAST() - Returns the last value
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    * MAX() - Returns the largest value
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    * MIN() - Returns the smallest value
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    * SUM() - Returns the sum