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Re: Constraints and Functional Dependencies

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Wed, 28 Feb 2007 14:16:28 GMT
Message-ID: <09gFh.2391$PV3.33178@ursa-nb00s0.nbnet.nb.ca>


Jon Heggland wrote:

> Tony D wrote:
>

>>I'm also not 100% convinced about the utility of possreps. What
>>exactly do they get me that conversion functions don't, with fewer
>>additional concepts ?

>
> Convenience, tidyness, safety---there is no difference in power, though.

You left off physical and logical independence. Data independence offers a big increase in power.

[snip] Received on Wed Feb 28 2007 - 08:16:28 CST

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