SQL Server 【提高】 游标

declare cursor_name --游标名称，唯一标识
[insensitive] [scroll] cursor 
for
select_statement --查询语句
[for {read only| update [of column_name [,…n]]}]

drop table #temp
--创建游标
create table #temp(
code varchar(128),
name nvarchar(256)
)

insert into #temp values(‘1111‘,‘aaaa‘)
insert into #temp values(‘1112‘,‘bbbb‘)
insert into #temp values(‘1113‘,‘cccc‘)

declare cursor_demo scroll cursor 
for
select code,name from #temp order by code

--打开游标
open cursor_demo

--定义变量
declare @code varchar(128), @name nvarchar(256)

--提取最后一行学校信息
fetch last from cursor_demo into @code, @name

print ‘code：‘ + @code + ‘ name：‘ + @name

--关闭游标
close cursor_demo

--释放游标
deallocate cursor_demo