单项选择题
A. FREQ = MONTHLY； BYMONTHDAY = 31 B. FREQ = MONTHLY； BYMONTHDAY = -1 C. FREQ = DAILY； BYDAY = -1 D. FREQ = MONTHLY； BYDAY = 31 E. FREQ = DAILY； BYMONTHDAY = LAST_DAY
Consider the following code snippet： BEGIN DBMS_SCHE...
Consider the following code snippet： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ name => ，，lne_job1， attribute => ，，job_priority， value => 1）； END； / If this code were executed， which of the following statements would be true？（）
A. The priority of the lne_job1 job would be set to 1. B. The lne_job1 job would be executed synchronously. C. The lne_job1 job would run immediately in the users current session. D. The lne_job1 job would retain its current priority. E. The job will immediately take priority over all running jobs.
Tosetthehistoryretentionperiodforeitherwindowloggingorj...
多项选择题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
WhatisthedefaultvaluefortheENABLEDattributeofajoborprog...
单项选择题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
