sql: self-joins explained

Posted by every_answer_gets_a_point on Stack Overflow See other posts from Stack Overflow or by every_answer_gets_a_point
Published on 2010-03-16T22:07:42Z Indexed on 2010/03/16 22:11 UTC
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i dont understand the need for self-joins. can someone please explain them to me? a simple example would be very helpful

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