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#1 (permalink)

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09-24-10, 00:31

calamaris

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Exists & in

Hi every one . what is different between EXISTS & IN for use in select commands

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09-24-10, 00:49

Marcus_A

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EXISTS usually refers to a subselect that either ruturns a single value (of any kind) or a null value (not exists). Did you check the SQL Reference Vol 1 manual to see if they had examples?

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