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Oracle® Database Reference
11g Release 2 (11.2)

E40402-14
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PARALLEL_DEGREE_LIMIT

Property Description
Parameter type String
Syntax PARALLEL_DEGREE_LIMIT = { CPU | IO | integer }
Default value CPU
Modifiable ALTER SESSION, ALTER SYSTEM
Basic No

With automatic degree of parallelism, Oracle automatically decides whether or not a statement should execute in parallel and what degree of parallelism the statement should use. The optimizer automatically determines the degree of parallelism for a statement based on the resource requirements of the statement. However, the optimizer will limit the degree of parallelism used to ensure parallel server processes do not flood the system. This limit is enforced by PARALLEL_DEGREE_LIMIT.

Values:

See Also: