'Disjoint constraint' presentation slideshows

SA0951a Enhanced Entity-Relationship Modelling (EERM) and Mapping

856 views • 27 slides

ADVANCED DATABASE CONCEPTS Enhanced Entity Relationship Modeling

ADVANCED DATABASE CONCEPTS Enhanced Entity Relationship Modeling Susan D. Urban and Suzanne W. Dietrich Department of Computer Science and Engineering Arizona State University Tempe, AZ 85287-5406. OUTLINE. Enhanced Entity-Relationship model (EER). Generalization and Specialization

576 views • 23 slides

Case Study: Requirements for the part of the UNIVERSITY database

Case Study: Requirements for the part of the UNIVERSITY database. The database Keeps track of three types of people: employees, alumni, and students, A person can belong to one, two, or all three of these types. Each person has a name, SSN, sex, address, and birth date.

67 views • 5 slides