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Oracle® Database Reference
10g Release 2 (10.2)

Part Number B14237-02
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OPTIMIZER_MODE

Property Description
Parameter type String
Syntax OPTIMIZER_MODE =

{ first_rows_[1 | 10 | 100 | 1000] | first_rows | all_rows }

Default value all_rows
Modifiable ALTER SESSION, ALTER SYSTEM

OPTIMIZER_MODE establishes the default behavior for choosing an optimization approach for the instance.

Values: