Re: Multiplicity, Change and MV
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Sun, 16 Apr 2006 16:39:29 GMT
Message-ID: <5ru0g.60840$VV4.1128582_at_ursa-nb00s0.nbnet.nb.ca>
>
>
> The OP (a consultant) is smart enough to know that if the number of
> values for an attribute changes from exactly 1 initially to 0-to-many
> later, that this will require additional tables
Date: Sun, 16 Apr 2006 16:39:29 GMT
Message-ID: <5ru0g.60840$VV4.1128582_at_ursa-nb00s0.nbnet.nb.ca>
Neo wrote:
>>Bob: "Changing the schema requires schema changes." Well, duh.
>
>
> The OP (a consultant) is smart enough to know that if the number of
> values for an attribute changes from exactly 1 initially to 0-to-many
> later, that this will require additional tables
If he actually thinks that, then he is as ignorant as you are. However, I doubt that. Received on Sun Apr 16 2006 - 18:39:29 CEST