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 ...

The lines between entities within an Entity-Relationship Diagram [ERD] represent an interdependency between the involved entities. In a normalized designed, this interdependency is both semantic and ...

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 ...