what is the difference detween pairwise comparison subquary
and non pairwise comparison subquary?

Answer Posted / parnita

In pair wise comparison we write like this:"where (MGR_ID,
DEPT_ID) IN (SUBQUERY)"IN non pair wise comparison we write
like this:"where (MGR_ID) IN (SUBQUERY)and (DEPT_ID) IN
(SUBQUERY)"In first one we are checking two columns
simultaneously ...

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