Fabian Pascal
Recently I participated in a LinkedIn exchange initiated by the following statement: “First-Order Predicate Logic is quietly breaking enterprise semantics. FOPL assumes meaning can be expressed as predicates applied to entities: subject → predicate → object That works beautifully in...
Fabian Pascal
“... In ORM there is no concept of an entity record (tuple), although relational tables can be automatically generated from an ORM model (furthermore, guaranteed to be fully normalized).” --Online comment “Object Role Modeling (ORM) is a ...a fact-oriented modeling approach for specifying,...
Fabian Pascal
Chris Date once published an article at the old DBDebunk titled “Models, Models, Everywhere, Nor Any Time to Think”. If you want to get a hold of what he meant then, you oughta do a search on the title now and see what you get. The continuous proliferation of models is an indication and measure...
Fabian Pascal
“If we step back and look at what RDBMS is, we’ll no doubt be able to conclude that, as its name suggests (i.e., Relational Database Management System), it is a system that specializes in managing the data in a relational fashion. Nothing more. Folks, it’s important to keep in mind that it manages...
Fabian Pascal
In Part 1 we introduced in the conceptual model (CM) the metalogical designation property. It represents—in the absence of known shared defining properties of an entity type, the designation by a group's definer that an entity identifier (aka assigned name) or property value is a member of the...
Fabian Pascal
with David McGovernOne purpose of our contributions here is to suggest a vocabulary that avoids confusion not just within the formal logical level, but also between conceptual and logical terminologies, which is widespread in the industry and is exacerbated by limitations of natural language (NL)....