geofox

Libro

May 10th, 2013
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  1. BEGIN
  2.  
  3. FOR LIBRO IN ( SELECT DISTINCT L.COD_LIBRO,NOMBRE FROM LIBROS L INNER JOIN PRECIOS P ON L.COD_LIBRO=
  4. P.COD_LIBRO ORDER BY L.COD_LIBRO) LOOP
  5.  
  6. DBMS_OUTPUT.PUT_LINE('---> ' || LIBRO.NOMBRE || ' <---');
  7.  
  8. FOR I IN (SELECT P.PRECIO FROM LIBROS L
  9. INNER JOIN PRECIOS P ON L.COD_LIBRO=P.COD_LIBRO WHERE L.COD_LIBRO=LIBRO.COD_LIBRO) LOOP
  10.  
  11. DBMS_OUTPUT.PUT_LINE(I.PRECIO);
  12.  
  13. END LOOP;
  14.  
  15. END LOOP;
  16.  
  17.  
  18.  
  19.  
  20. END;
  21. /
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