create table test(id int identity(1,1),content ntext)
insert test values(N'asdfsdfasdfsadfsdjflk大力sdjflkasjdf;lasdjf;lafsd')
insert test values(N'fdsgdsfgdfgsdfghrtjtyjkhkhjkhjljk大力ljk;jk;kl;kl;kl;')
go
create proc 替换
@s_str varchar(100),
@d_str varchar(100)
as
declare @id int
declare #tb cursor for select id from test
open #tb
fetch next from #tb into @id
while @@fetch_status=0
begin
declare @p varbinary(16),@postion int,@rplen int
select @p=textptr(CONTENT),@rplen=len(@s_str),@postion=charindex(@s_str,CONTENT)-1 from test where id=@id
while @postion>0
begin
updatetext test.CONTENT @p @postion @rplen @d_str
select @postion=charindex(@s_str,content)-1 from test where id=@id
end
fetch next from #tb into @id
end
close #tb
deallocate #tb
go
exec 替换 '大力','AAAAA'
go
select * from test
go
drop table test
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