Which DBMS_SCHEDULER procedure(s) can be used to alter an existing job? (Choose all that apply.)
A.
SET_ATTRIBUTE_NULL
B.
ALTER_JOB
C.
ALTER_JOB_PARAMETERS
D.
ALTER
E.
SET_ATTRIBUTE
Explanation:
SET_ATTRIBUTE_NULL Procedure, Changes an attribute of an object to NULL
SET_ATTRIBUTE Procedure, Changes an attribute of a job, schedule, or other Scheduler object
There is NO such “ALTER_JOB”, “ALTER_JOB_PARAMETERS” and “ALTER” procedure available.