
START TRANSACTION; -- 事务开始 SELECT balance FROM cheaking where cid=123; UPDATE cheaking set balance=balance-200 where cid=123; UPDATE asving set balance=balance+200 WHERE aid=123; COMMIT; -- 事务提交
START TRANSACTION; -- 事务开始 SELECT balance FROM cheaking where cid=123; UPDATE cheaking set balance=balance-200 where cid=123; UPDATE asving set balance=balance+200 WHERE aid=123; COMMIT; -- 事务提交