Through various forms of diagrams and charts, complex data patterns can be translated into simpler visuals. One such vital graphical tool is the Node Diagram. In this article, we will dive into the ...

Step 1: Mapping of Regular Entity ... of Unary Relationship. A big company has decided to store information about its projects and employees in a database. The company has wisely chosen to hire you as ...

is reflected in the entity-relationship diagram, where each entity can have many relations with other entities. Here are some examples of multifunctional business entities: Members of a Human ...

ontology is the basic of semantic on entity-relationship diagram, and may catch the commonness among the entity-relationships in the same domain. Finally we describe the prototype of a tool and how it ...

The first step in designing an ER diagram is to identify ... how many instances of one entity can be related to one instance of another entity. For example, the relationship between branch and ...

Mermaid.js should add a way to show inheritance in ERD diagrams because it is quite common to express inheritance between entities, such as "Customer is-a Person", "Car is-a Vehicle", etc. ERD diagram ...

Abstract: An Entity-Relationship (E-R) diagram is a graphical representation of interest ... conceptual model creation in the phase of requirements analysis. At the end, examples obtained by using ...