Question

Consider a student club or organization in which you are a

member. What are the data entities of this enterprise? List
and define each entity. Then, develop an enterprise data
model (such as Figure 1-3a) showing these entities and important relationships between them

Answer 1

Entity Relationship Diagram (ERD):

An ERD is an abstract data model to represent real world entities and their relationship to each other. ERD data schemas are used to define what data is important to processes in graphical form.