Re: Can we solve this -- NFNF and non-1NF at Loggerheads
From: strider5 <strider5_at_szm.com>
Date: 8 Feb 2005 00:30:56 -0800
Message-ID: <1107851456.257088.7580_at_c13g2000cwb.googlegroups.com>
Date: 8 Feb 2005 00:30:56 -0800
Message-ID: <1107851456.257088.7580_at_c13g2000cwb.googlegroups.com>
>value of any attribute in a tuple must be a single value from
>the domain of that attribute
That is IMHO the key point - nothing stops you to define a domain which
values are e.g. arrays of chars
(widely recognised as varchar).
Then varchar from one point of view is indivisible, OTOH everybody in
this NG knows what SUBSTRING is...
Received on Tue Feb 08 2005 - 09:30:56 CET