Verificar a Marca d´agua de tabela específica ou de todas as tabelas

SET SERVEROUTPUT ON
SET VERIFY OFF

DECLARE
CURSOR cu_tables IS
SELECT a.owner,
a.table_name
FROM all_tables a
WHERE a.table_name = Decode(Upper('&&1'),'ALL',a.table_name,Upper('&&1'))
AND a.owner = Upper('&&2');

op1 NUMBER;
op2 NUMBER;
op3 NUMBER;
op4 NUMBER;
op5 NUMBER;
op6 NUMBER;
op7 NUMBER;
BEGIN

Dbms_Output.Disable;
Dbms_Output.Enable(1000000);
Dbms_Output.Put_Line('TABLE UNUSED BLOCKS TOTAL BLOCKS HIGH WATER MARK');
Dbms_Output.Put_Line('------------------------------ ------- --------------- ---------------');
FOR cur_rec IN cu_tables LOOP
Dbms_Space.Unused_Space(cur_rec.owner,cur_rec.table_name,'TABLE',op1,op2,op3,op4,op5,op6,op7);
Dbms_Output.Put_Line(RPad(cur_rec.table_name,30,' ')
LPad(op3,15,' ')
LPad(op1,15,' ')
LPad(Trunc(op1-op3-1),15,' '));
END LOOP;

END;
/

SET VERIFY ON