> On 10/07/2023 04:25 CEST pf@pfortin.com wrote:
>
> On Sun, 9 Jul 2023 17:04:03 -0700 Adrian Klaver wrote:
>
> >On 7/9/23 15:58, pf@pfortin.com wrote:
> >> Hi,
> >>
> >> Trying to figure out how to insert new property addresses into an
> >> existing table.
> >>
> >> Can a UNIQUE constraint be applied to an entire row? Adding UNIQUE to
> >> each column won't work in such a case since there are multiple properties
> >> * on the same street
> >> * in the same town
> >> * with the same number on different streets
> >> * etc...
> >
> >Does the locality you are in have something like the Property ID# and/or
> >Parcel # / Geo ID shown here:
> >
> >https://property.whatcomcounty.us/propertyaccess/PropertySearch.aspx?cid=0
>
> Thanks! Just getting started on this issue and this made me realize my
> current data source may not be the best... Much appreciated!
Also keep in mind that it's not trivial to model addresses, even in a single
country. Some database constraints may become a footgun.
https://www.mjt.me.uk/posts/falsehoods-programmers-believe-about-addresses/
--
Erik