现在有三张表,我在我的查询结果里面出现条码信息(款号+颜色id+尺码id),或者把ooo表里面的颜色和尺码替换成colorid,sizeid,
求大神们指点一下,谢谢!!
select A.*,B.colorid,C.sizeid from OOO as A left join 颜色表 as B on A.颜色id = B.id left join 尺码表 as C on A.尺码id = C.id
多表联查 用 join on , left join on , right join on 希望能帮到你
select * from ooo A left join color B on A.color=B.color left join size c on A.size=C.size