Làm thế nào để xóa trắng một database Oracle

Đơn giản lắm, chỉ cần chạy script này thôi

BEGIN
 FOR cur_rec IN (SELECT object_name, object_type
 FROM user_objects
 WHERE object_type IN
 ('TABLE',
 'VIEW',
 'PACKAGE',
 'PROCEDURE',
 'FUNCTION',
 'SEQUENCE',
 'SYNONYM',
 'PACKAGE BODY'
 ))
 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;
/

How to drop all user tables?

Chạy xong bạn sẽ thấy DB trống trơn luôn, Tất cả các đối tượng: ‘TABLE’, ‘VIEW’, ‘PACKAGE’, ‘PROCEDURE’, ‘FUNCTION’, ‘SEQUENCE’, ‘SYNONYM’,’PACKAGE BODY’ bị xóa sạch luôn. Ơ!

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