use webshop
go
select c_turename as 会员姓名,域名=right (c_email,len(c_email)-charindex('@',c_email))
from customers
这个语句如何变成功能相同的left语句
use webshop
go
select c_turename as 会员姓名,域名=right (c_email,len(c_email)-charindex('@',c_email))
from customers
这个语句如何变成功能相同的left语句
select c_turename as 会员姓名,域名=replace(c_email, left(c_email,charindex('@',c_email)),"")