Sql逗号分隔一个字符串

--取第一部分

select SubString('1234,6',0,charindex(',','1234,6',0))

--取第二部分

select SubString('1234,67',charindex(',','1234,67',0) + 1,len('1234,67') - charindex(',','1234,67',0))

--例如

declare @str nvarchar(100)
set @str = '123456,7890'

select SubString(@str,0,charindex(',',@str,0))

select SubString(@str,charindex(',',@str,0) + 1,len(@str) - charindex(',',@str,0))