Oracle 11G OCP 1Z0-053 445

（445）To set the history retention period for either window logging or job logging individually,

which parameters of the SET_SCHEDULER_ATTRIBUTE procedure need to be used?(Choose all that apply.)

A. LOG_HISTORY

B. JOB_LOG_RETENTION

C. WINDOW_LOG_RETENTION

D. WHICH_LOG

E. LOG_NAME

答案：（A，D）

解析：

DBMS_SCHEDULER.SET_SCHEDULER_ATTRIBUTE

LOG_HISTORY,job log和window log的log entry被保留的天數, [0, 1000000], 30

這個過程根本就沒有WHICH_LOG引數

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