temporary databases
Date: 24 May 2002 19:54:16 -0700
Message-ID: <bdf69bdf.0205241854.65b278b0_at_posting.google.com>
After spending some time at
http://dimlab.usc.edu/cs599-2000/
Given a table of intervals answering a query what intervals cover that
point is not trivial. Is this the only issue we could reduce temporal
databases subject to?
Clifford Heath <cjh_nospam_at_managesoft.com> wrote in message news:<3CED8250.D010727D_at_managesoft.com>...
> This sort of database feature is useful of course, but (1) isn't necessarily
> the most efficient way to handle historical queries (need to follow the log
> chain back possibly many steps), (2) doesn't make it easy to identify
> which history should be kept past log backup interval(s) and (3) prevents
> revision of incorrect histories.
>
> There's still a need in many cases to model history explicitly.
Received on Sat May 25 2002 - 04:54:16 CEST