Out of the plethora of misconceptions common in the industry[ 1 ], quite a few are squeezed into this paragraph: “The relational database...

Part 1 outlined fundamentals of fourth order properties (4OP) of a multigroup arising from relationships among its group members due to 1:...

  “We have Building, Room, and Bed entities. Logically, if this is in the scope of some hypothetical hotel, then each one of those entitie...

Note: This is a rewrite of a part of an older post (now redirecting here), to bring into line with McGoveran's formalization, re-inter...

Note: This is a rewrite of one section of an older post (page thereof now links here), to bring it into line with McGoveran's formaliz...

As we have seen in Parts 1 , 2 , and 3 , the RDM is a formal theory adapted and applied to database management: database relations (1) prese...

We have seen in Part 2 that the meaning of data in a database is the conceptual model that the database is intended to represent, namely...