INSERT INTO STU VALUES('120008','李四','男',29,'12计算机',SYSDATE);
UPDATE STU SET SAGE = SAGE -1;
SAVEPOINT UPDATEPOIN;
DELETE FROM STU WHERE SNO = '120008';
ROLLBACK TO SAVEPOINT UPDATEPOIN;
SELECT * FROM STU;
commit;
update stu set sage = 10 where sno = '120001';