fetch next from ..用法

declare mmp cursor
for select * from #a
open mmp /*建立cursor与查询数据的关联*/
declare @a1 varchar(50),@a2 varchar(50),@a3 varchar(50),@a4 varchar(100),@a5 varchar(50)
declare @cnt int
select @cnt=0
fetch next from mmp into @a1
while (@@fetch_status=0)--检查是否读取到数据
begin
if @cnt=1 fetch next from mmp into @a2
if @cnt=2 fetch next from mmp into @a3
if @cnt=3 fetch next from mmp into @a4
if @cnt=4 fetch next from mmp into @a5
set @cnt=@cnt+1
end
close mmp