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

From: Alfredo Novoa <>
Date: 2 Jun 2006 04:31:55 -0700
Message-ID: <>

Bob Badour ha escrito:

> > One could argue that to the UI programmer, the database is a "bit
> > bucket" (very ugly term) of which he/she needs to know little.
> > However, the UI is probably only 10-20% of the code, with 80-90% being
> > the database application code - and to write this well you need to know
> > your DBMS.

This is what usually happens when you write a DBMSless application or you misuse a DBMS as a dumb file system.

> Actually, you have that backward. In my experience, the combination of
> exception-handling and user-interface code account for well over 90% of
> the code in a typical 3gl/4gl application.

This is what happens when you use a DBMS properly. The size of the UI code is aproximately the same, but the size of the business rules code is reduced in orders of magnitude.

  Alfredo Received on Fri Jun 02 2006 - 13:31:55 CEST

Original text of this message