Oracle OCP 1Z0 053 Q447(Schedule&BYMONTHDAY)

447.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
Answer: B

記住last day of every month是用-1表示的，而不是LAST_DAY

參考：http://blog.csdn.net/rlhua/article/details/15499477
http://docs.oracle.com/cd/E11882_01/server.112/e25494/scheduse.htm#ADMIN12676

Run on the last day of every month.

FREQ=MONTHLY; BYMONTHDAY=-1;

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