How can the Oracle change the job execution time?

To change the execution time of a job in Oracle, you can follow these steps:

1. To begin with, utilize the SET_ATTRIBUTE procedure from the DBMS_SCHEDULER package to modify the execution time of the job. You can use the following command:
2. start the job named ‘job_name’ at the desired start date.
3. In this case, ‘job_name’ refers to the name of the job being modified, and ‘desired_start_date’ is the new time at which the job is wished to begin execution.
4. Next, utilize the ALTER_JOB procedure in the DBMS_SCHEDULER package to enable the job again. You can use the following command:
5. Start
   Alter the job named ‘job_name’ in the scheduler, and set it to be enabled.
6. This will reactivate the job and schedule it according to the new execution time.

It is important to note that changing the job’s execution time may have an impact on the system, so it is recommended to evaluate the necessary changes before making them and to perform the operation within the maintenance time window. Additionally, these operations may require appropriate permissions to execute.