Heinrich Stoellinger <[EMAIL PROTECTED]> wrote:
> Does MySQL support the "EXISTS" / "NOT EXISTS" clause in table query
> statements?
It's supported since version 4.1
> What I want to do is to find tuples which do NOT have
> corresponding tuples in another table. For example - tell me who in my
> person table does not have an email address.
You can rewrite statement using LEFT JOIN:
http://www.mysql.com/doc/en/ANSI_diff_Subqueries.html
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