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declare @t table(id int identity,col varchar(4))

declare @sql varchar(60)

set @sql='吕布赵云马超典韦关羽张飞许褚黄忠颜良文丑庞德孙策'

declare @i int;set @i=1

declare @n int;set @n=2 --定义分段长度

while(@i<len(@sql))

begin

    insert into @t select substring(@sql,@i,@n)

    set @i=@i+@n
end

select * from @t