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ÈçºÎ½ØÈ¡ SH-SH-SJ-LXKJ
ÈçºÎµÃµ½SJ
˵Ã÷-ÖмäµÄ³¤¶È²»¶¨
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SQL code:
DECLARE @s varchar(8000);
SET @s = 'SH-SH-SJ-LXKJ';

DECLARE @i int;
SET @i = 3;

SELECT T.x.value('(//v[position()=sql:variable("@i")])[1]','varchar(50)') AS val
from (SELECT x=CONVERT(xml,'<v>'+REPLACE(@s,'-','</v><v>')+'</v>')) AS T


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SQL code:
use tempdb
go
declare @temp varchar(20)
set @temp = 'SH-SH-SJ-LXKJ'
select substring(@temp,CHARINDEX('-SJ-',@temp)+1,2)

/*
----
SJ

(1 ÐÐÊÜÓ°Ïì)
*/



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SQL code:


declare @str varchar(20)
set @str = 'SH-SH-SJ-LXKJ'
select substring(@str,CHARINDEX('-SJ-',@str)+1,2)



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declare @str varchar(20),@str1 varchar(20),@x varchar(20)
set @str = 'SH-SH-S2dd-LXKJ'

set @str1=substring(@str,patindex('%-%',@str)+1,LEN(@str))
set @str1=substring(@str1,patindex('%-%',@str1)+1,LEN(@str1))
set @str1=substring(@str1,1,patindex('%-%',@str1


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