单项选择题
Which of the following calendaring syntax expressions would evaluate to the last day of every month？（）
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
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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？（）
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D. WHICH_LOG
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单项选择题
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D. PENDING
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