日期:2014-05-17 浏览次数:20477 次
--声明游标
declare text_Cursor cursor forward_only for
select ID,Grade,Course From Student
open text_Cursor
declare @ID int
declare @Grade int
declare @Course int
--循环读取数据记录
fetch next from text_Cursor into @ID,@Grade,@Course
while @@FETCH_STATUS=0
begin
print 'ID='+convert(nvarchar(10),@ID)+space(3)+'Grade='+convert(nvarchar(10),@Grade)+space(3)+'Course='+convert(nvarchar(10),@Course)
fetch next from text_Cursor into @ID,@Grade,@Course
end
--关闭、释放游标
close text_Cursor
deallocate text_Cursor
--测试数据准备
if(object_id('t1') is not null)drop table t1
CREATE table t1(
id int identity(1,1) primary key,
value nvarchar(20)
)
go
--插入测试数据
insert into t1(value)
select '值1'union all
select '值2'union all
select '值3'union all
select '值4'
--查看结果集合
--select * from t1
if(OBJECT_ID('p_print')is not null) drop procedure p_print
go
create procedure p_print
as
begin
declare @value nvarchar(20)--注意这里的变量类型应该与游标中读取出来的字段类型相同
--创建游标
declare cur1 cursor for
select value from t1
--打开游标
open cur1
fetch next from cur1 into @value--这里的@value对应游标每条记录中的字段value的值
while(@@FETCH_STATUS = 0)
&nbs