'Union rule' diaporamas de présentation

Chapter 6

Chapter 6. Relational Normalization Theory. Limitations of E-R Designs. Provides a set of guidelines, does not result in a unique database schema Does not provide a way of evaluating alternative schemas

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CS 319: Theory of Databases: C3

CS 319: Theory of Databases: C3. Dr. Alexandra I. Cristea http://www.dcs.warwick.ac.uk/~acristea/. Exam preparation. Perform example problems by yourself, then check results; If different, try to understand why; Search also for alternative solutions. (provisionary) Content. Generalities DB

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Normalization

Normalization. To compute the closure of a set of functional dependencies F:

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CMSC424: Database Design

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Chapter 7 Sets & Probability

Chapter 7 Sets & Probability. Section 7.2 Applications of Venn Diagrams. Shade the region corresponding to A ? ? B. A. B. Shade the region corresponding to A ? ? B. Step 1: Shade the region corresponding to A ?. A. B. Shade the region corresponding to A ? ? B.

356 views • 16 slides

Sets Day 2

Warning : All the Venn Diagram construction and pictures will be done during class and are not included in this presentation. If you missed class you should get class notes from another student. Sets Day 2. Venn Diagrams.

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Sets Part III

Warning : All the Venn Diagram construction and pictures will be done during class and are not included in this presentation. If you missed class you should get class notes from another student. Sets Part III. Venn Diagrams.

254 views • 13 slides