To enable cost-based optimization set the OPTIMIZER_MODE initialization parameter to CHOOSE or COST, you can set this parameter by using __________. - Study24x7
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To enable cost-based optimization set the OPTIMIZER_MODE initialization parameter to CHOOSE or COST, you can set this parameter by using __________.

A

Modifying the OPTIMIZER_MODE parameter in the initialization parameter file

B

Setting it at session level by issuing an ALTER SESSION statement

C

Both A & B

D

 None of the above

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