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AskSQLTeam
Ask SQLTeam Question
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 Posted - 2000-08-21 : 10:37:01
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| Alex writes "Hello, I have 2 tables with same format, tableA and tableB. I would like to select all those rows that are only in tableA but not tableB. Is there any way to do this other than using "where not exists ... "? I think the NOT EXISTS clause make my query very slow..." Article Link. |
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Article: Other Approaches to NOT EXISTS