cursor example
declare @i int , @a varchar(20)
declare cur_cursor cursor
for
select a from table1
set @i=1
while @i<=10
begin
open cur_cursor
fetch cur_cursor into @a
while @@fetch_status=0
begin
do.....somethings
feccht next cur_cursor into @a
end
close cur_cursor
deallocate cur_cursor
set @i=@i+1
end