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self join with multiple left outer joins

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PLEASE HELP IN A QUERY. i AM TRYING TO DO SELF JOIN WITH A QUERY WHICH 2 OR MOR ELEFT OUTER JOINS IN IT. HOW TO DO SELF JOIN HERE .

 

THANKS IN ADVANCE.

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You would need to give the entire query an alias, and then you can join it with any other query, including itself.  It seems like that would be inefficient though, the joined query won't have any indexes that will help speed things up.

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