WHERE vs HAVING

Posted by baloo on Stack Overflow See other posts from Stack Overflow or by baloo
Published on 2010-05-25T13:57:41Z Indexed on 2010/05/25 14:01 UTC
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Why is it that you need to place columns you create yourself (for example "select 1 as number") after HAVING and not WHERE in MySQL? And are there any downsides instead of doing "WHERE 1" (writing the whole definition instead of a column name)

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