--建立測試臨時表
if(object_id('tempdb..#books') is not null)
begin
drop table #books;
endcreate table #books
(bookname nvarchar(20),
bookcode nvarchar(20)
)insert into #books( bookname, bookcode ) values(n'c# 本質論','jc556874');
insert into #books( bookname, bookcode ) values(n'js 本質論','js556874');
--申明乙個游標
declare mycursor cursor for
select top 5 bookname,bookcode from #books;
--開啟乙個游標
open mycursor;
declare @bookname nvarchar(20);
declare @bookcode nvarchar(20);
--迴圈乙個游標
fetch next from mycursor into @bookname,@bookcode;
while(@@fetch_status = 0)
begin
print('book name: '+@bookname);
fetch next from mycursor into @bookname,@bookcode;
end
--關閉游標
close mycursor;
--釋放資源
deallocate mycursor;
@@fetch_status 是乙個全域性變數，其值有以下三種 ：
1) 0 fetch 語句成功
2) -1 fetch 語句失敗或此行不在結果集中
3) -2 被提取的行不存在
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