Published by Joao Morais on 25 Oct 2007
(special thanks to Richard Scoop)
I have encountered, both in newgroups and mailinglists, some discussions about Object Oriented Models vs Relational Models. This post tries to describe some problems and the solutions of both approaches for a programmer’s day to day work. Continue Reading »
Published by Joao Morais on 14 Oct 2007
(special thanks to Richard Scoop)
What do Object Persistence Framework (OPF) and its brother Model-View-Presenter (MVP) have in common, other than being object oriented patterns? Both use the same source of data. At one end the OPF reads information from a persistence mechanism (eg a RDBMS) and at the other end the MVP presents the information that the user sees from it. The link between these two is what a few authors call a Value Type Framework, which I call Data Type Framework or simply the Subject Framework. Continue Reading »