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  • Committer: Andrew Hutchings
  • Date: 2011-02-15 22:03:42 UTC
  • mto: (2172.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 2173.
  • Revision ID: andrew@linuxjedi.co.uk-20110215220342-k4tveraug3bpy2v5
https://launchpad.net/bugs/718657
Make fixes to temporal docs
Make a few minor docs cleanups/fixes
Start using syntax-highlighting code blocks

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docs/having.rst
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The WHERE keyword cannot be used with aggregate functions, but the HAVING clause can be; this is its primary use.
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SQL HAVING Syntax: ::
 
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SQL HAVING Syntax:
 
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.. code-block:: mysql
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        SELECT column_name, aggregate_function(column_name)
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        FROM table_name
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| 6       |2011-01-03    | Food         |20           |175       |
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+---------+--------------+--------------+-------------+----------+
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In order to find if any users have spent more than $100 on recreational activities, use the following SQL statement: ::
 
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In order to find if any users have spent more than $100 on recreational activities, use the following SQL statement:
 
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.. code-block:: mysql
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        SELECT userID,SUM(ActivityCost) FROM Activities
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        GROUP BY userID
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Now we want to find if userIDs "131", "256", or "175" spent less than $50 on Activities.
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We add an ordinary WHERE clause to the SQL statement: ::
 
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We add an ordinary WHERE clause to the SQL statement:
 
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.. code-block:: mysql
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        SELECT userID,SUM(ActivityCost) FROM Activities
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        WHERE userID='131' OR userID='256' OR userID="175"