You could be having more columns than required
Thats when this happens
Example
select col1 , max() from
if its
select col1 ,col2 , col3 , max() from ..this will return a lot more rows
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You could be having more columns than required
Thats when this happens
Example
select col1 , max() from
if its
select col1 ,col2 , col3 , max() from ..this will return a lot more rows