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mssql ÅжÏÊÇ·ñÊÇÈÕÆÚ?

mssql ÅжÏÊÇ·ñÊÇÈÕÆÚ?

SQL code:
declare @var int
set @var= isdate('g')
if @var =0
print '²»ÊÇÓÐЧÈÕÆÚ'
else
print 'ÊÇÓÐЧÈÕÆÚ'

SQL code:
select * from tb where isdate(×Ö¶Î)=1 ......

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declare @str varchar(100)
set @str = '|108||203|'
select substring(@str,2,charindex('|',stuff(@str,1,1,''))-1)
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