On Thu, Jul 14, 2016 at 7:56 AM, Tim Smith <randomdev4+postgres(at)gmail(dot)com>
wrote:
>
>
2003-01-03 (null) 0.003
Where did the "0.003" come from?
The result you are looking for works if you full outer join on dx1 - at
least for the sample data.
David J.