>>> Daniele Varrazzo <[EMAIL PROTECTED]> wrote: > select count(*) from foo > where foo.account_id in ( > select id from accounts where system = 'abc'); > Total runtime: 13412.226 ms Out of curiosity, how does it do with the logically equivalent?: select count(*) from foo where exists (select * from accounts where accounts.id = foo.account_id and accounts.system = 'abc'); -Kevin
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