Re: A new proof of the superiority of set oriented approaches: numerical/time serie linear interpolation
From: Christopher Browne <cbbrowne_at_acm.org>
Date: Mon, 07 May 2007 08:34:42 -0400
Message-ID: <87irb4g6cd.fsf_at_wolfe.cbbrowne.com>
Date: Mon, 07 May 2007 08:34:42 -0400
Message-ID: <87irb4g6cd.fsf_at_wolfe.cbbrowne.com>
That seems pretty clear: It's the combination of all of the facts in the DBMS at some point in time.
Thus, before some operation (INSERT/UPDATE/DELETE), the database as a whole has some total state; after that operation, it has a new total state that adds in the new modification.
-- let name="cbbrowne" and tld="gmail.com" in String.concat "_at_" [name;tld];; http://linuxdatabases.info/info/slony.html "Whenever 'A' attempts by law to impose his moral standards upon 'B', 'A' is most likely a scoundrel." -- H.L. MenckenReceived on Mon May 07 2007 - 14:34:42 CEST