Home > DeveloperSection > Interviews > What are correlated subqueries?

Posted on    March-28-2011 5:50 AM

 DB2 DB2 
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Varun Agrawal
Varun Agrawal

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Posted on    March-28-2011 12:00 AM

A subquery in which the inner ( nested ) query refers back to the table in the outer query. Correlated subqueries must be evaluated for each qualified row of the outer query that is referred to.

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