On Apr 28, 2:00 am, pate...@patearl.net (Patrick Earl) wrote:
> This is a follow-up to an old message by Tom Lane:
>
> http://archives.postgresql.org/pgsql-sql/2006-10/msg00080.php
>
[...]
>
> select * from Pet
> left join Dog on Dog.Id = Pet.Id
> left join Cat on Cat.Id = Pet.Id
>
> Now suppo
This is a follow-up to an old message by Tom Lane:
http://archives.postgresql.org/pgsql-sql/2006-10/msg00080.php
In ORMs like NHibernate, there are a few strategies for mapping
inheritance to SQL. One of these is "Joined Subclass," which allows
for the elimination of duplicate data and clean
