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Real world database design - PowerPoint PPT Presentation

Chapter 3

Chapter 3. Entity Relationship (E-R) Modeling Database Systems: Design, Implementation, and Management, Fifth Edition, Rob and Coronel. In this chapter, you will learn:. What a conceptual model is and what its purpose is The difference between internal and external models

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Chapter 3

Chapter 3. Entity Relationship (E-R) Modeling Hachim Haddouti. In this chapter, you will learn:. What a conceptual model is and what its purpose is The difference between internal and external models How internal and external models serve the database design process

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481 views • 30 slides

Normalization (Codd, 1972)

Normalization (Codd, 1972). Practical Information For Real World Database Design. Requirements for Relational DB. Table format Supports Boolean Algebra Selects, joins, projects + 5 other operations to define queries Supports mathematical, relational, and logical operators (And-Or-Not)

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293 views • 14 slides

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Real world database design - PowerPoint PPT Presentation

Chapter 3

Chapter 3

Normalization (Codd, 1972)