Special cases (1)
uDDL
ØImplicit COMMITs à autonomous transactions are strongly recommended.
ØThere is a chance that it will lock itself.
Ø
Øcreate procedure p_drop_procedure
Ø(i_proc_tx VARCHAR2) is
Ø   pragma autonomous_transaction;
Øbegin
Ø  execute immediate
   'drop procedure '||i_proc_tx;
Øend;