java面试题,关于数据库的建表和查询答:1.USER表 ID,USER_NAME,GENDER,HOBBY,EDUCATION MERCHANT表 ID,NAME,SHOP,SEQ_NUM,PERSON,TEL LOGIN表 ID,NAME,PASSWORD,MOBILE 登陆表的id于会员表和商户表的id关联。2.select L.ID,L.NAME,L.PASSWORD,L.MOBILE from LOGIN L inner join USER U on U.ID=L.ID where U.NAME="王五"3.sele...