Re: The wisdom of the object mentors (Was: Searching OO Associations with RDBMS Persistence Models)

From: Sasa <sasa555_at_gmail.com>
Date: Fri, 02 Jun 2006 17:59:02 +0200
Message-ID: <e5pn7r$k31$1@sunce.iskon.hr>

Marshall wrote:
> Robert Martin wrote:
>

>>On 2006-05-31 11:50:20 -0500, "topmind" <topmind_at_technologist.com> said:
>>
>>
>>>I don't see how the issue of proprietary SQL is any different than a
>>>proprietary app language.
>>
>>It's not.  I want the application to be isolated from the DB; and I
>>want the DB isolated from the application.  I wan't the application
>>programmers to be able to change from Oracle to MySQL to Flat files.  I
>>want the DB to have the freedom to support Java, C#, C++ or Python.
>>
>>Note the symmetry.

>
>
> I note a tremendous *lack* of symmetry!
>
> Java, C#, C++, and Python are comparably expressive, and at
> comparable levels of abstraction. (I can hear the screams of
> the language advocates already.) Sure, Python has list
> comprehensions and C++ has a turing-complete generic type
> system, but they're all fundamentally imperative and procedural.
>
> On the other side, you put together Oracle and flat files!
> Oracle has natural join; flat files have what exactly? seek()?!
>
>
> Marshall
>

What if you extend the list of clients with good old .BAT files?

The point (as I see it) is that just as client code can vary storages, storage can serve different clients.

Sasa Received on Fri Jun 02 2006 - 10:59:02 CDT