A. A subplan has the PLAN_SUB parameter value set to SUB.
B. A top-level plan has the GROUP_OR_PLAN parameter set to the name of the subplan in the resource-plan definition.
C. There is no difference in the resource-plan definition.
D. A subplan always has the CPU_MTH parameter value set to RATIO.
E. The string TOP_LEVEL is appended to the name of top-level resource plans.
答案:(C)
解析:
一个resource plan可以引用其它的resource plan,则被引用的resource plan即可被称为subplan
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