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Chapter 7: Relational Database Design

CS157B. Lecture 7 Multivalued Dependency. Chapter 7: Relational Database Design. Refining an ER Diagram Given the F.D.s: sid  dname and dname  dhead Is the following a good design ?. sid. dhead. since. dname. MAJOR_IN. sname. STUDENT. DEPARTMENT. doffice.

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Databases Illuminated

Databases Illuminated. Chapter 6 Normalization. Objectives of Normalization. Develop a good description of the data, its relationships and constraints Produce a stable set of relations that Is a faithful model of the enterprise Is highly flexible

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Normalization

Normalization. What is normalization ?. Proposed by Codd in 1972 Takes a relation through a series of steps to certify whether it satisfies a certain normal form Initially Codd proposed three normal forms Boyce- Codd normal form is introduced by Boyce and Codd

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