sql server 脚本 游标的使用

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declare @zorder int,@a001000 varchar(20),@a001000temp varchar(20),@id int

set @zorder = 1

set @a001000temp = '@#$%'

declare cur Cursor for

select a001000,id from table_name order by a001000,zorder

open cur

fetch next from cur into @a001000,@id

while @@fetch_status=0

begin

if(@a001000temp != @a001000)

begin

set @zorder = 1

set @a001000temp=@a001000

end

update table_name set zorder=@zorder where a001000=@a001000 and id=@id

set @zorder=@zorder+1

fetch next from cur into @a001000,@id

end

close cur

deallocate cur