复制代码 代码如下:
select a.man_id,man_name,d.sex_name,zw_name,c.money
from man as a
left join zw as b on a.zw_id=b.zw_id
left join zw as c on a.man_id=c.man_id — 同时关联zw字段，通过表别名区别开
left join xb as d on c.sex_id=d.sex_id
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