Various sub - Various Genres, a progressive rock music sub-genre


1. Looping: Co-related sub-query loop under main-query; whereas nested not; therefore co-related sub-query executes on each iteration of main query. Whereas in case of Nested-query; subquery executes first then outer query executes next. Hence, the maximum no. of executes are NXM for correlated subquery and N+M for subquery.


Various SUBVarious SUBVarious SUBVarious SUB

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