What is the effect of setting the value 'FIRST_ROWS' for
OPTIMIZER_GOAL parameter of the ALTER SESSION command ?



What is the effect of setting the value 'FIRST_ROWS' for OPTIMIZER_GOAL parameter of the..

Answer / guest

This value causes the optimizer to use the cost-based
approach for all SQL statements in the session regardless of
the presence of statistics and to optimize with a goal of
best response time.

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