dbms_scheduler

create and enable the job
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SQL> execute sys.dbms_scheduler.create_job(job_name=>'"user"."Jobname"', job_type=>'EXECUTABLE', job_action=>'complete name and location of the script file', repeat_interval=>'FREQ=WEEKLY;BYDAY=MON,TUE,WED,THU,FRI;BYHOUR=07;BYMINUTE=01;BYSECOND=1', job_class=>'"jobgroupname"', number_of_arguments=>'1', auto_drop=>FALSE, enabled=>FALSE);

PL/SQL procedure successfully completed.

SQL> execute sys.dbms_scheduler.set_job_argument_value( job_name => '"user"."jobname"', argument_position => 1, argument_value => 'value');

PL/SQL procedure successfully completed.

SQL> execute sys.dbms_scheduler.enable( '"user". "jobname"' );

PL/SQL procedure successfully completed.

drop the job
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SQL> EXEC DBMS_SCHEDULER.DROP_JOB('user.jobname');

PL/SQL procedure successfully completed.