Oracle database schema data removal

gistfile1.sql

SET SERVEROUTPUT ON SIZE 1000000
BEGIN
  FOR cur_rec IN
  (SELECT object_name,
    object_type
  FROM user_objects
  WHERE object_type IN ('TABLE', 'VIEW', 'PACKAGE', 'PROCEDURE', 'FUNCTION', 'SEQUENCE', 'TRIGGER')
  )
  LOOP
    BEGIN
      IF cur_rec.object_type = 'TABLE' THEN
        EXECUTE IMMEDIATE 'DROP ' || cur_rec.object_type || ' "' || cur_rec.object_name || '" CASCADE CONSTRAINTS';
      ELSE
        EXECUTE IMMEDIATE 'DROP ' || cur_rec.object_type || ' "' || cur_rec.object_name || '"';
      END IF;
    EXCEPTION
    WHEN OTHERS THEN
      DBMS_OUTPUT.put_line('FAILED: DROP ' || cur_rec.object_type || ' "' || cur_rec.object_name || '"');
    END;
  END LOOP;
END;
/
PURGE RECYCLEBIN;