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hi,    
  i   am   debuging   a   shell   in   unix,   which   contains   pl/sql   used   to   purge   some   data   in   oracle   db.  
  i   want   show   a   sql   statemnet   (a   select   statement)   in   it   when   executing   it?  
  how   can   i?  
  thanks   in   advance

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