例子 table1结构如下 id int name varchar(50)declare @id int declare @name varchar(50) declare cursor1 cursor for --定义游标cursor1 select * from table1 --使用游标的对象(跟据需要填入select文) open cursor1 --打开游标fetch next from cursor1 into @id,@name --将游标向下移1行,获取的数据放入之前定义的变量@id,@name中while @@fetch_status=0 --判断是否成功获取数据 begin .......... --进行相应处理(跟据需要填入SQL文)fetch next from cursor1 into @id,@name --将游标向下移1行 endclose cursor1 --关闭游标 deallocate cursor1
游标的基本写法declare @id int,@name varchar(20); declare cur cursor fast_forward for select id,name from a; open cur; fetch next from cur into @id,@name; while @@fetch_status=0 begin --做你要做的事 fetch next from cur into @id,@name; end close cur; deallocate cur;
table1结构如下
id int
name varchar(50)declare @id int
declare @name varchar(50)
declare cursor1 cursor for --定义游标cursor1
select * from table1 --使用游标的对象(跟据需要填入select文)
open cursor1 --打开游标fetch next from cursor1 into @id,@name --将游标向下移1行,获取的数据放入之前定义的变量@id,@name中while @@fetch_status=0 --判断是否成功获取数据
begin
.......... --进行相应处理(跟据需要填入SQL文)fetch next from cursor1 into @id,@name --将游标向下移1行
endclose cursor1 --关闭游标
deallocate cursor1
declare cur cursor fast_forward for
select id,name from a;
open cur;
fetch next from cur into @id,@name;
while @@fetch_status=0
begin
--做你要做的事
fetch next from cur into @id,@name;
end
close cur;
deallocate cur;