What is the Entity-Relationship Model? - Diagram & Examples

SOLVED: 2. Develop an extended entity-relationship diagram (EERD) that illustrates the relational database design described by the business rules in #1. The diagram should include the primary key of each table in order to demonstrate correct implementation of specialization-generalization. While EERDs may well contain other attributes, in this assignment, you need not include them because they are not described in the business rules. You should use legal database identifiers such as SitDownResta

Enhanced ER Model: Everything You Need To Know - Learn | Hevo

Best ER Model Tools to Use in 2025

Activity - 1:Why is the ER model considered a top-down approach? Describe the four basic componentsof the ER model.Activity - 2:The ER model uses a number of notations and tags to represent different concepts. Outlinehow the basic ER components are represented in an ER diagram.Activity - 3:Describe what attributes represent in an ER model and provide examples of simple,composite, single-value, multi-value, and derived attributes.