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Oracle® Database Reference
12c Release 1 (12.1)

E17615-23
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OPTIMIZER_ADAPTIVE_FEATURES

Property Description
Parameter type Boolean
Default value true
Modifiable ALTER SESSION, ALTER SYSTEM
Range of values true | false
Basic No

OPTIMIZER_ADAPTIVE_FEATURES enables or disables all of the adaptive optimizer features, including adaptive plan (adaptive join methods and bitmap plans), automatic re-optimization, SQL plan directives, and adaptive distribution methods.

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