Database Design Advice

James Laver james.laver at
Fri Nov 8 18:08:26 GMT 2013

On Fri, Nov 8, 2013 at 5:22 PM, Yitzchak Scott-Thoennes
<sthoenna at> wrote:
> On Fri, Nov 8, 2013 at 12:38 AM, Mark Stringer <mark at> wrote:
>> I'd guess that the date_created is being stored in the table, so could be
>> used to order the records without the need for a serial, if ordering is the
>> only concern.
> Never use date/times as unique identifiers/sort keys.

I'll agree with the former, but what's the reasoning behind the latter?


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