多项选择题
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
点击查看答案
相关考题
-
多项选择题
Which Scheduler view(s) can be queried to see which jobs are currently executing? （）
A. DBA_SCHEDULER_JOB_RUN_DETAILS
B. DBA_SCHEDULER_RUNNING_JOBS DBA
C. DBA_SCHEDULER_CURRENT_JOBS
D. DBA_SCHEDULER_JOBS DBA
E. DBA_SCHEDULER_EXECUTING_JOBS -
单项选择题
Whichstatementistrueregardingsynonyms?（）
A.Synonyms can be created only for a table
B.Synonyms are used to reference only those tables that are owned by another user
C.A public synonym and a private synonym can exist with the same name for the same table
D.The DROP SYNONYM statement removes the synonym, and the table on which the synonym has been created becomes invalid -
单项选择题
Which of the following is not a valid calendaring syntax element?（）
A. FREQ
B. BYHOUR
C. RUNDATE
D. INTERVAL
E. BYMINUTE
