question about group by

Posted by chun on Stack Overflow See other posts from Stack Overflow or by chun
Published on 2010-05-18T13:45:51Z Indexed on 2010/05/18 13:50 UTC
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mysql

Hi

in mysql how to write a sql like this, to get the amount of X > 20 and <20

select date, numberOfXMoreThan20,numberOfXLessThan20, otherValues

from table

group by (date, X>20 and X<20)

thanks

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question about group by

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