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.
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Hannu