Which statement is true while creating subplans using Resource Manager?

Which statement is true while creating subplans using Resource Manager?

Which statement is true while creating subplans using Resource Manager?

A.
The subplan must belong to the consumer group, SYS_GROUP.

B.
The total CPU usage at any given level must be less than 100%.

C.
The subplans can be used to restrict the degree of parallelism for a user.

D.
You can use a resource plan instead of a consumer group to implement a priority ranking within the plan.



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