A table in a database holds the attributes for one entity only. Data can then be added in the form of records. Rather than storing information in one table, relational databases store data across ...

In the previous lecture we learned about the concept of the relational data model. This model assumes that all the data is stored in the logical structures of tables. Its mathematical description ...

This project focuses on designing and implementing a complete database system for an e-commerce platform. The goal was to understand how real-world e-commerce applications manage data like products, ...

In building a logical data model, some entities are considered strong, other entities are considered weak. Strong entities are the most foundational elements within a nascent Entity-Relationship ...

Occasionally one sees an entity-relationship diagram (ERD) having an unusual characteristic. The unusual element is an entity (or more than one) that seems to have a relationship with every other ...

Abstract: This paper explores the entity relationship diagram, a popular conceptual model used to depict entities, attributes, and relationships graphically. To help with this, we use ChatGPT, a ...