Re: Separate PK in Jxn Tbl?
From: Jamie Collins <jamiecollins_at_xsmail.com>
Date: Wed, 30 Jan 2008 01:02:25 -0800 (PST)
Message-ID: <f4eaa788-d6ef-42a5-a3d0-980835a2b3c5_at_p69g2000hsa.googlegroups.com>
Date: Wed, 30 Jan 2008 01:02:25 -0800 (PST)
Message-ID: <f4eaa788-d6ef-42a5-a3d0-980835a2b3c5_at_p69g2000hsa.googlegroups.com>
On Jan 30, 2:52 am, "Tony Toews [MVP]"
> Datums - NAD27, NAD83, and WGS84.all have slightly different meanings for the same
> latitude and longitude for North America
Do you mean a bit like time zones? Should I avoid using them and instead roll my own 'local time'?
> And there are different latitudes
Do you mean a bit like there are ISBN-10 and ISBN-13. Should I avoid using them and roll my own 'BookID'?
Jamie.
--Received on Wed Jan 30 2008 - 10:02:25 CET