--切换数据库
use MyDatabase

--创建游标(scroll：滚动游标)
declare mycur cursor scroll for select EmpNo from Employee
--打开游标
open mycur
--关闭游标
close mycur
--删除游标
deallocate mycur

--提取第一行
--利用游标进行数据的修改
fetch absolute 2 from mycur
update Employee
set EmpPhone = '55-6666-7777' where current of mycur

--利用游标进行数据的删除
fetch last from mycur
delete from Employee where current of mycur

select * from Employee


--创建游标(指向多列)
declare columns cursor scroll for select EmpNo,EmpName,EmpPhone from Employee
--打开游标
open columns
--关闭游标
close columns
--删除游标
deallocate columns

--遍历游标
declare @empno int 
declare @empname varchar(30)
declare @empphone varchar(30)

fetch absolute 1 from columns into @empno,@empname,@empphone
while @@FETCH_STATUS = 0
	begin
		print '社員No:' + cast( @empno as varchar(3)) + ' 社員名前：' + @empname + ' 社員電話番号：' + @empphone
		fetch next from columns into @empno,@empname,@empphone
	end

遍历游标结果：