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In which scenario we use self join.It is similar to inner join ?
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self join is where you have a requirement of the fields of the same table had to be compare to get the desired results.
query something like select f1, f2, f3 from Table1 t1, Table1 t2 where t1.field = t2.field.
the best example to understand the concept is, sql plus's Employee table with regard to Manager and employee concept.
Thanks.
