Re: Declarative constraints in practical terms
From: Bob Hairgrove <invalid_at_bigfoot.com>
Date: Sun, 26 Feb 2006 20:25:22 +0100
Message-ID: <l20402l2h5079vm6qbqf7tt2kng3gclkqg_at_4ax.com>
Date: Sun, 26 Feb 2006 20:25:22 +0100
Message-ID: <l20402l2h5079vm6qbqf7tt2kng3gclkqg_at_4ax.com>
On Sun, 26 Feb 2006 19:13:45 GMT, "David Cressey"
<dcressey_at_verizon.net> wrote:
>It seems to me that "CREATE TABLE ..." is imperative. When the imperative
>is carried out, two things happen. First the table is created. Second, the
>table's description is included in the metadata.
>
>It's not hard to come up with an engine that will read the metadata, and
>reconstruct the original create scripts, or something logically equivalent.
Most RDBMS such as DB2 and Oracle have had this capability for a long time.
-- Bob Hairgrove NoSpamPlease_at_Home.comReceived on Sun Feb 26 2006 - 20:25:22 CET