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Resource Manager And Parallel Query - How Does It Work? (Doc ID 464057.1)

Last updated on FEBRUARY 28, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 11.1]
Information in this document applies to any platform.
Information in this document applies to any platform.


Q1: How does Oracle handle the following case?
Resource manager plan is setup to prevents any parallel query operations, while parallel query is not disabled on the database level. However, the Cost Based Optimizer (CBO) generates a parallel plan (as seen in v$sql_plan).

Q2: Did the way Oracle handle this case change from 9i to 10g?

Q3: Is it recommended to use the resource manager to prevent parallelism while not disabling parallel query on the database level?


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