The most common model is the data model. Deep in the application architecture a physical model can be found, which is a straight representation of the database (ERD diagram).More superficially, in the core of the application architecture, a conceptual representation of the same data model can be found (UML diagram). However, it should be kept [...]
Browsing Posts tagged Bridging the O/R cleft…
O/R mapping is a programming technique needed for converting data between relational database records and an object-oriented programming language. Of course, there are plenty of O/R mapping tools, but I guess that a fool with a tool… So, lets look at O/R mapping then. As you can see in the next picture there are subtle [...]
