Query or Stored procedure?
Posted by:
Echo 76
Date: July 12, 2012 03:25PM
Hello,
I am trying to solve my problem but without success. I have a table with production data which are stored from machines. one of the field (from many) is DateTime and another is machine status.
++++++++++++++++++++++++++++++++++++++++
+ DateTime + Status +
++++++++++++++++++++++++++++++++++++++++
2012-06-02 11:56:57+ Production +
2012-06-02 11:57:27+ Production +
2012-06-02 11:57:57+ Error +
2012-06-02 11:58:28+ Error +
2012-06-02 11:58:57+ Production +
2012-06-02 11:59:27+ Waiting for start +
... + ... +
++++++++++++++++++++++++++++++++++++++++
I need to count time totals for each machine status during time period. Is it possible to solve it with sql query? When yes how? Or is it better to use stored procedure?
Thanks in advance
Michael
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