AS/400: Use of self join

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AS/400
What is the use of self join and when should I use it?
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  • philpl1jb
    Where did you get these questions?
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  • carlosdl
    A self join is when you join a table or file to itself.  You will know when you need it.
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  • ToddN2000
    Are you trying to join the same file multiple times using SQL or create a joined file for use in an RPG/ILE program?
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