Re: Oracle and Postgresql

depends on Postgres support for Oracle java packages which is now available thru PL/Java
http://my.safaribooksonline.com/0672327562/ch19lev1sec1

Martin
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> From: cshobe(at)bepress(dot)com
> To: pgsql-general(at)postgresql(dot)org
> Subject: Re: [GENERAL] Oracle and Postgresql
> Date: Thu, 25 Sep 2008 11:15:24 -0700
>
> On Sep 4, 2008, at 7:40 PM, Robert Treat wrote:
> > It is not as simple as Oracles database link syntax. Setting up a
> > connection
> > involves a couple of sql looking commands, and once you setup a
> > connection to
> > a remote database, you can reference a table with something like
> > select *
> > from mytable(at)myotherdb(dot) There's no way a function oriented solution
> > can
> > match that imho.
>
> I have long thought that what would be really useful is a standard way
> for third-party modules to extend or override the SQL language support
> within PostgreSQL itself without needing to be integrated in core.
>
> E.g. it should be possible for all of EnterpriseDB's Oracle-compatible
> SQL changes to exist as a separate module, somebody could change the
> behavior of a select to default ordering to imitate Oracle etc. It
> should be possible for a replication engine to add syntax for options
> specific to it. Contrib modules like dblink could install SQL-like
> command support.
>
> This would be both invaluable for compatibility efforts and probably
> raise the amount of 3rd party stuff that actually gets used
> (currently, many places I've seen avoid Slony because they fear having
> to use the commandline scripts it comes with, and if you want to
> manipulate Slony from the database itself, oftentimes this means you
> have to use pl/perlu or another untrusted language.
>
> Don't get me wrong, functions are great too. :) But currently the
> above means that a lot of risk is introduced and you have to put a lot
> of faith in the perl code - an exploit poses a lot of risk. If Slony
> exposed it's own data to PG via custom SQL extensions, this would be
> more secure by design.
>
> Cheers,
> --
> Casey Allen Shobe
> Database Architect, The Berkeley Electronic Press
>
> --
> Sent via pgsql-general mailing list (pgsql-general(at)postgresql(dot)org)
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