Figure 7-1 displays an overview of this process, starting at the conceptual level (ORM), mapping to the logical level (ER or relational), and then generating the physical database model. The first ...

Information modeling in databases can be carried out at two different levels: conceptual data modeling and logical database modeling. Therefore, we have conceptual data models and logical database ...

The Covid-19 pandemic reminded us that everyday life is full of interdependencies. The data models and logic for tracking the progress of the pandemic, understanding its spread in the population ...