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By: a guest on Apr 25th, 2012  |  syntax: None  |  size: 0.29 KB  |  hits: 10  |  expires: Never
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  1. Aggregate Math on TimeStamp fields
  2. SELECT (MAX(myTimeStampField)-MIN(myTimeStampField))/COUNT(*) FROM myTable
  3.        
  4. SELECT COUNT(*) / CONVERT( TIMESTAMPDIFF( SQL_TSI_HOUR, MIN( myTimeStampField ),
  5.                                           MAX( myTimeStampField )), SQL_DOUBLE )
  6.       FROM myTable
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