SQL實用技巧：如何分割字符串

create function f_split(@c varchar(2000),@split varchar(2)) returns @t table(col varchar(20)) as     begin           while(charindex(@split,@c)<>0)         begin           insert @t(col) values (substring(@c,1,charindex(@split,@c)-1))           set @c = stuff(@c,1,charindex(@split,@c),'')         end       insert @t(col) values (@c)       return     end go     select * from dbo.f_split('dfkd,dfdkdf,dfdkf,dffjk',',')     drop function f_split