Relationship Essay Examples

Relationship Diagram (ERD) The ERD was designed in Visio (Microsoft) keeping in view the data presentation requirements from the reports. Crow's Foot notation was used for modeling the data (Dybka). Based on the proposed ERD, the enrollment, course completion, course sequence, advisor and thesis committee reports can easily be generated at any time. Entities Four entities extracted from the data presented in the reports include student, course, professor and thesis committee. Relationships and Cardinalities The relationships between the entities were based on the following business rules: Many students enroll to many courses (mandatory, many-to-many) Many courses have many students (mandatory,...

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