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Chapter 4 Logical Database Design and the Relational Model

Chapter 4. Logical Database Design and the Relational Model 1. Objectives Define terms for the Relational data Model Transform EE-R diagrams to relations Create tables with entity and Relational integrity constraints 2. 1. Steps in Database Problem Solving Study and Analyze w/Team Business Problem Interviews &. Integrated Model Conceptual Model (EE-R). Transformation (Six Cases). Logical Model (Relations). Normalization (Three Steps). Logical Model (3NF Relations). IMPLEMENTATION. 3. Logical Model : Relational Model Can represent all kinds of information Based on Math (relations). Natural to people Relatively simple We know how to implement it fast 4.

4 Logical Model: Relational Model • Can represent all kinds of information • Based on Math (relations) • Natural to people • Relatively simple • We know how to implement it fast . 3 5 Components of Relational Model • Data structure – Tables (relations), rows, columns ...

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