BEGIN
DBMS_SCHEDULER.create_job(
job_name => 'SHELL_JOB',
repeat_interval => 'FREQ=DAILY; BYHOUR=2',
job_type => 'EXECUTABLE',
job_action => '/u01/app/oracle/admin/tools/shell_job.sh',
enabled => TRUE,
comments => 'Perform stuff'
);
END;