See "The Types of Resources Managed by the Resource Manager" for more information.
In addition to the resource plans that are predefined for each Oracle database, you can create any number of resource plans.
You create a resource subplan in the same way that you create a resource plan.
To create a plan that is to be used only as a subplan, you use the consumer group is ignored, and resource plan directives are not shown, even though they are part of the plan.
The initial consumer group of a session is determined by the mapping rules that you configure.