SQL*Plus:
Code:
var j number
begin
  dbms_job.submit
  (
    :j,
    'SYS.DBMS_UTILITY.ANALYZE_SCHEMA(''USERNAME'',''COMPUTE'');',
    trunc(sysdate)+22/24,
    'trunc(sysdate)+22/24+14'
  );
  COMMIT;
end;
/
print j