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Slide 1 CS 405G: Introduction to Database Systems Lecture 4: Relational Model Instructor: Chen Qian Slide 2 7/2/20152 Review A data model is a group of concepts for describing…

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Slide 1 CAS CS 460 Entity-Relationship Model Slide 2 1.2 Review Course Agenda  Application/User-Oriented  Database Modeling  Data Retrieval  Design Considerations…