Explain What Are Various Joins Used While Writing SUBQUERIES

Explain What Are Various Joins Used While Writing SUBQUERIES


  • 11 Mar, 2012

    Self join-Its a join foreign key of a table references the same table. Outer Join--Its a join condition used where One can query all the rows of one of the tables in the join condition even though they don't satisfy the join condition.Equi-join--Its a join condition that retrieves rows from one or more tables in which one or more columns in one table are equal to one or more columns in the second table.

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