declare @kk varchar(max)
set @kk= '4567875314654 '
--用简洁sql语句替换前面1-3个字符为‘987’
[email protected]= '9877875314654 '
------解决方案--------------------
--sql2000
declare @kk varchar(200)
set @kk= '4567875314654 '
select stuff(@kk, 1, 3, '987 ')
--result
9877875314654
(1 row(s) affected)