On Fri, Nov 8, 2013 at 5:22 PM, Yitzchak Scott-Thoennes <sthoe...@gmail.com> wrote: > On Fri, Nov 8, 2013 at 12:38 AM, Mark Stringer <m...@repixl.com> 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? James
