Top 7 tools to create an Entity Relationship Diagram (ERD), 2025

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

Connect Your Data With a Relational Data Model

Design an Entity-Relationship (ER) diagram for student information system withthe following business rules:An instructor advises several students.One student is advised by exactly one instructor.Each student should be enrolled in several courses.An instructor may teach one courseA course may be taught by at most one instructorWe keep track of the date when the student enrolled in the course.Each student has a unique SID, Mathgrade, Javagrade, and Averagewhich is derived from both Mathgrade and J

Generalization, Specialization and Aggregation in ER Model - GeeksforGeeks