摘要：
表全部数据 1 查询people_no重复的记录 select * from people where people_no in (select people_no from people group by people_no having count(people_no) > 1); 2 查询pe 阅读全文
摘要：
保障类型？ 联合查询 两个表select UI.id,UI.notes,SC.id,SC.notes from renter UI right join house SC on UI.notes=SC.notes 联表查询的语句 select UI.id as renterid,UI.notes a 阅读全文
