text: 
  -- level 4 is bind values
  -- level 8 is waits
  -- level 12 is both
  
  --
  -- see 10046_off.sql to end tracing
  
  alter session set events '10046 trace name context forever, level 12';
  --sys.dbms_system.set_ev(sid(n), serial(n), 10046, 8, '');
  
  