On Tue, Jul 16, 2013 at 9:51 AM, Brian Fehrle <brianf(at)consistentstate(dot)com>wrote:
>
> Are there any known differences between the database systems in terms of
> query planners or general operations (sorting, unions) that are notable
> different between the systems that would make postgres slow down when
> executing the exact same queries?
>
>
yes.
But unless you provide more detail, it's impossible to say what those
differences might be. In all probability, postgresql can be configured to
provide comparable performance, but without details, who can really say?