Re: ID field as logical address
Date: Wed, 03 Jun 2009 15:20:23 GMT
Message-ID: <XwwVl.14$tr5.5_at_nwrddc02.gnilink.net>
"David BL" <davidbl_at_iinet.net.au> wrote in message
news:2196de54-5f7f-49d8-83f2-408be72f7576_at_q37g2000vbi.googlegroups.com...
> On May 29, 8:54 pm, "Walter Mitty" <wami..._at_verizon.net> wrote:
>
>
>> Now, if we update the LastName, the FirstName, and the Phone number of an
>> entry, it's still the same entry, because the ID field retains the same
>> value.
>
> That's rather fuzzy until you say what you mean by 'entry'. Does it
> mean value or variable? It cannot be referring to the tuple because
> after the update it is a different tuple. Evidently 'entry' means
> 'variable' in the above. Substitute and you will see it makes sense.
>
In the above, "entry" means the row that contains the value.
Received on Wed Jun 03 2009 - 17:20:23 CEST