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多項(xiàng)選擇題

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？（）

A. LOG_HISTORY
B. JOB_LOG_RETENTION
C. WINDOW_LOG_RETENTION
D. WHICH_LOG
E. LOG_NAME

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單項(xiàng)選擇題

What is the default value for the ENABLED attribute of a job or program when it is created？（）

A. TRUE
B. FALSE
C. There is no default. It must be defined at creation time.
D. PENDING
E. NULL

多項(xiàng)選擇題

Which DBMS_SCHEDULER procedure（s） can be used to alter an existing job？（）

A. SET_ATTRIBUTE_NULL
B. ALTER_JOB
C. ALTER_JOB_PARAMETERS
D. ALTER
E. SET_ATTRIBUTE

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