【单选题】
You are creating a job class. You have issued the following command to create the job class：  SQL> BEGIN  <br /> DBMS_SCHEDULER.CREATE_JOB_CLASS（       <br /> JOB_CLASS_NAME => ’LOW_PRIORITY_CLASS’，       <br /> RESOURCE_CONSUMER_GROUP => ’LOW_GROUP’，       <br /> LOGGING_LEVEL => DBMS_SCHEDULER.LOGGING_FULL，       <br /> LOG_HISTORY => 1200，  <br /> COMMENTS => ’LOW JOB PRIORITY CLASS’）；       <br /> END；      <br />  SQL> /  <br /> What will be the result of the above command？（）
A、 The command will be executed successfully.
B、 The command will fail because RESOURCE_CONSUMER_GROUP is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.
C、 The command will fail because LOGGING_LEVEL is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.
D、 The command will fail because LOG_HISTORY is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.
E、 The command will fail because 1200 is an invalid value for the LOG_HISTORY parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.
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