diff b/w sub query and co-relater query?

Question Posted / g.rajesh

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diff b/w sub query and co-relater query?..

Answer / guru

Sub query means A query within another query. the Sub query
executed first and returns result, which is used by Main Query.

Correlated Sub query:

The sub query has a Reference with a value or values of Main
Query, Which is Called as COrrelated Sub Query.

Thanks

Guru

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diff b/w sub query and co-relater query?..

Answer / ganesh

sub query is select statement which is lying in clause of
another sql stament

corelated subquery:

it is row-by-row processing, in which outer sub query is
processing for every inner query result

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0 No

diff b/w sub query and co-relater query?..

Answer / suresh somayajula

Sub Query : In this Inner query will execute first. Based
on that result outer query will execute.

Correlated Sub Query : Query which has reference to the
main query , means outer query will execute first based o
that result inner query will execute.

Thank you,
Suresh.

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1 No

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