问题:
A . Define user profiles and set the CPU_PER_CALL limit.
B . Define a SWITCH_TIME for a plan in the Resource Manager.
C . Create a batch job that checks V$SESSION_LONGOPS;the batch job alters the session priority of the long running operations.
D . Create a user defined event in the Oracle Enterprise Manager, which monitors V$SESSION_LONGOPS.
● 参考解析
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