Re: error code 1241, operand should contain 1 column(s)
That seems fairly self-explanatory!
Use horsedb;
Select horse_id, Name from Horse
Where horse_id in (Select horse_id From entry where place <=3 having count(*) > 1)
(Although you haven't set out the basis for your aggregation)
Edited 1 time(s). Last edit at 01/13/2013 10:47AM by laptop alias.
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Re: error code 1241, operand should contain 1 column(s)
January 13, 2013 10:46AM
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