查询所有财务部门的所有人员信息

1.子查询
select * from tbl_Personnel_Basic a
where Unit in  
(
SELECT OUID FROM [dbo].[tbl_OU_Basic] WHERE OUName LIKE '%财务%'
);

2.左联
select c.* from (
select b.OUID,b.OUName,b.OUCode,a.* from 
(
SELECT * FROM [dbo].[tbl_OU_Basic] WHERE OUName LIKE '%财务%') b 
left join tbl_Personnel_Basic a
on a.Unit=b.OUID) c 
where c.PersonnelId is not null;--注意条件

3.左联
select q.* from (
select b.OUID,b.OUName,b.OUCode,a.* from tbl_Personnel_Basic a
left join (
SELECT * FROM [dbo].[tbl_OU_Basic] WHERE OUName LIKE '%财务%') b
on a.Unit=b.OUID  ) q  
where q.OUID is not null;--注意条件