On Mon, Feb 25, 2019 at 11:38 AM Ed Leafe ed@leafe.com wrote:
They are presumably being used as PKs for tables representing humans, no? Then the vast majority of potential records would have null values, since most humans are not citizens of the USA.
Ur either Muricans, or your not. ;)
But seriously, there are some non-citizens with SSNs, and citizens, without. So, yeah, Matt's really sorry and promises not to do it again.