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table A
cid dep arn 
1 bos sti
2 ahi jkl
3 nam man
4 bos sti

table B
ori des pos
bos,can,cha,chi sti,sar 10
bos,ahi,cnm jkl,lan 15
aca,yhu,bbs jkh,nan,kel,shu 12

Çë´Ótable A ÖÐÕÒ³ödep°üº¬ÔÚtableB.oriÖÐ,²¢ÇÒarn°üº¬ÔÚ tableB.desÖеÄposÖµ,µÃµ½ÈçϽá¹û.лл

cid dep arn pos
1 bos sti 10
2 ahi jkl 15  
3 nam man null
4 bos sti 10


ɳ·¢ ÏÈ×öÆð

SQL code:
select a.*,b.pos
from a
left join b
on charindex(','+a.dep+',',','+b.des+',')>0


select a.*,b.pos
from a
  left join b
  on charindex(','+a.dep+',',','+b.ori+',')>0 




SQL code:
----------------------------------------------------------------
-- Author :fredrickhu(СF£¬Ïò¸ßÊÖѧϰ)
-- Date :2010-04-21 08:22:09
-- Verstion:
-- Microsoft SQL Server 2005 - 9.00.4053.00 (Intel X86)
--


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