Re: MultiValue Databases
From: Neo <neo55592_at_hotmail.com>
Date: 7 Jun 2005 11:42:32 -0700
Message-ID: <1118169752.050726.90610_at_f14g2000cwb.googlegroups.com>
Date: 7 Jun 2005 11:42:32 -0700
Message-ID: <1118169752.050726.90610_at_f14g2000cwb.googlegroups.com>
>> Assume a person can have 0 to many phone numbers. Assume a phone number can be assigned to multiple persons ... normalized the phone numbers to allow adding various attributes to some phone numbers later.
What enforces the integrity of the "222-2222"s ? What if "222-2222"
Yes, expect the unexpected. Allow each thing to have any number of attributes and allows each attribute to have any number of values. Allow attributes and values to have their own attributes :) Received on Tue Jun 07 2005 - 20:42:32 CEST