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Chapter 4

Chapter 4

Chapter 4. Logical Database Design & the Relational Model. Objectives. Definition of terms List five properties of relations State two properties of candidate keys Define first, second, and third normal form Describe problems from merging relations

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855 views • 72 slides
Mapping from Data Model (ERD) to Relational Model

Mapping from Data Model (ERD) to Relational Model

Mapping from Data Model (ERD) to Relational Model. Yong Choi School of Business CSUB. Objectives of logical design. Transform the conceptual database design into a logical database design that can be implemented on a chosen DBMS later Input: conceptual model (ERD)

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885 views • 39 slides
Chapter 11

Chapter 11

Chapter 11. Object-Oriented Databases Database Systems: Design, Implementation, and Management, Fifth Edition, Rob and Coronel. In this chapter, you will learn:. What basic concepts govern OO systems What effect OO concepts are likely to have on data modeling and design

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970 views • 36 slides
Chapter 11

Chapter 11

Chapter 11. Object-Oriented Databases Database Systems: Design, Implementation, and Management, Fifth Edition, Rob and Coronel. In this chapter, you will learn:. What basic concepts govern OO systems What effect OO concepts are likely to have on data modeling and design

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460 views • 36 slides
Mapping from E-R Model to Relational Model

Mapping from E-R Model to Relational Model

Mapping from E-R Model to Relational Model. Yong Choi School of Business CSUB. Objectives of logical design. Translate the conceptual design into a logical database design that can be implemented on a chosen DBMS Input: conceptual model (ERD) Output: relational schema, normalized relations

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617 views • 34 slides
Chapter 6

Chapter 6

Chapter 6. Entity Relationship Model. Basic Elements of E-R Model. Entity Object of the real world that stores data. Eg . Customer, State, Project, Supplier, etc. Attribute A description of an entity. Eg . Worker has name, worker number, department, address, etc. Relationship.

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353 views • 23 slides

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