按如下要求写出sql语句:
update user set ename='William' where userId='102'; update user set credit=credit+50 where city='北京' update user set credit=credit+100 where SUBSTR(personId,7,4)<'1991'; update transinfo set remark='发薪水' where remark='工资' update card set money=money*1.01 select `password`,reverse(`password`) from card