A. FREQ
B. BYHOUR
C. RUNDATE
D. INTERVAL
E. BYMINUTE
答案:(C)
解析:
查看DBMS_SCHEDULER包的定义
支持的calendar syntax:
FREQ
INTERVAL
BYMONTH
BYWEEKNO
BYYEARDAY
BYDATE
BYMONTHDAY
BYDAY
BYHOUR
BYMINUTE
BYSECOND
BYSETPOS
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