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Oracle Hints


Use Nested Loops.

Usage : use_nl(A B)

This hint will ask the engine to use nested loop method to join the tables A and B. That is row by row comparison.
The hint does not force the order of the join, just asks for NL.

SELECT /*+use_nl(e d)*/ *
FROM Employees E
JOIN Departments D ON E.DepartmentID = D.ID


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