select *
from spu
s
left join para_type
pt
on s.spu_id = pt.spu_id
left join para_data
pd
on pd.para_type_id = pt.para_type_id
where s.spu_id=1
三表联合查询
最新推荐文章于 2024-03-09 16:14:33 发布
select *
from spu
s
left join para_type
pt
on s.spu_id = pt.spu_id
left join para_data
pd
on pd.para_type_id = pt.para_type_id
where s.spu_id=1