Thread: What is Tid Scan
Hello everyone. I can't understand Tid Scan, Who can tell me what it's that and where I could find document on the Web.Thanks for your reponse. Guo longjiang Harbin China ______________________________________ =================================================================== �������ѵ������� (http://mail.sina.com.cn) ���˷�����Ϣ�������г���һ�ߣ��ó���ʱ�ͳ��֣� (http://classad.sina.com.cn/2shou/) �������ֻ�ͼƬ������������������ѡ��ÿ�춼�и��� (http://sms.sina.com.cn/cgi-bin/sms/smspic.cgi)
On Wed, 2002-09-04 at 12:43, ljguo_1234 wrote: > Hello everyone. > I can't understand Tid Scan, Who can tell me what it's that and where I could find document on the Web. Thanks foryour reponse. It is scanning table by TupleID's. A tuple id is a 6-byte entity which consists of 4-byte page number and 2-byte tuple index inside page. So if you know the TID you can directly get the corresponding tuple. -------------- Hannu