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Lecture Database - Chapter 5: The relational data model and relational database constraints

Chapter 5 - The Relational Data Model and Relational Database Constraints present contents as: Relational model concepts, relational model constraints and relational database schemas, update operations and dealing with constraint violations. | Chapter 5 The Relational Data Model and Relational Database Constraints Chapter Outline Relational Model Concepts Relational Model Constraints and Relational Database Schemas Update Operations and Dealing with Constraint Violations Relational Model Concepts The relational Model of Data is based on the concept of a Relation. A Relation is a mathematical concept based on the ideas of sets. The strength of the relational approach to data management comes from the formal foundation provided by the theory of relations. We review the essentials of the relational approach in this .