Tom Lane <tgl@sss.pgh.pa.us> writes:
> Why is this a good thing? It seems like it would accomplish little
> except to defeat the SQL type system entirely.
It simply allows to have the classical ETL problem solved directly in
the database server, in SQL. That's huge.
Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support