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While creating a job class using the DBMS_SCHEDULER package， you set the logging level to LOGGING_RUNS. What would be the impact of this setting？（）
A: Oracle Scheduler would write detailed information to the job log for each run of each job in the job class.
B: Oracle Scheduler would write detailed information to the job log for the first run of each job in the job class.
C: Oracle Scheduler would write detailed information to the job log for each run of only the first job in the job class.
D: Oracle Scheduler would write detailed information for all operations performed on all jobs in the job class.

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出自：Oracle认证

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