游标的使用

--申明一个游标
DECLARE MyCursor CURSOR
FOR SELECT TOP 5 FBookName,FBookCoding FROM TBookInfo

--打开一个游标
OPEN MyCursor

--循环一个游标
DECLARE @BookName nvarchar(2000),@BookCoding nvarchar(2000)
FETCH NEXT FROM  MyCursor INTO @BookName,@BookCoding
WHILE @@FETCH_STATUS =0
BEGIN
print 'name'+@BookName
FETCH NEXT FROM  MyCursor INTO @BookName,@BookCoding
END

--关闭游标
CLOSE MyCursor
--释放资源
DEALLOCATE MyCursor