多选题Which DBMS_SCHEDULER procedure(s) can be used to alter an existing job? （）ASET_ATTRIBUTE_NULLBALTER_JOBCALTER_JOB_PARAMETERSDALTERESET_ATTRIBUTE
题目
多选题
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