At 04:26 PM 9/29/98 -0500, you wrote:
>Yes, and they are called Social Security Numbers.... or tax ID numbers.
>These numbers are at least unique in the U.S.

WRONG!  Not even close.  The name and address are used IN ADDITION TO the
SSN to uniquely identify you (SSN is still primary key).  This is because
the SSN is a calculated number, derived from your place of birth and
parental SSNs, plus other criteria.

Andy


==================================================================
Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA
==================================================================