in SQL, supposes I need to refer to an aliased field in the having clause but the alias has quotes, how do I do that?
select (select...) as '005'
group by ...
having '005'>0
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I think you are missing a FROM clause, and you should use backticks instead of single quotes:
It would help if you posted your full query, as I am guessing a bit here as to what you want to do.