'New relation' presentation slideshows

Chapter 5

Chapter 5. Database Design 1: Some Normalization Examples Spring 2006. Dependencies: Definitions .

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Chapter 5

Chapter 5. Database Design 1: Some Normalization Examples Spring 2006. Dependencies: Definitions .

430 views • 27 slides

IFS180: Intro. to Data Management

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ER/EER to Relational Mapping Chapter 7.1-7.2

ER/EER to Relational Mapping Chapter 7.1-7.2 STEP 1 ENTITY TYPE E (non weak) -> NEW RELATION T RELATION T: includes all simple attributes (non composite, single-valued) from E includes only simple component attributes of a composite attribute from E (they are on their own now)

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Review Database Application Development

Review Database Application Development. ER-diagram. Forms. Access Database Development. Reports. Queries. ER-diagram. Entity types Strong entity type Weak entity type Relationships Cardinality constraints Participation constraints Attributes atomic attributes

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Dr. Smith goes to Washington: Challenges of disseminating research to policy makers

Dr. Smith goes to Washington: Challenges of disseminating research to policy makers. Keith Humphreys, Ph.D. Director, VA Program Evaluation and Resource Center Associate Professor of Psychiatry, Stanford University School of Medicine. Four inter-related challenges of making a policy impact.

314 views • 15 slides

The Relational Database Design

The Relational Database Design. ER- and EER-to-Relational Mapping. ER to Relational Mapping. Mapping of regular entity types Multivalued attributes Mapping of relationship Binary relationship N-ary relationship Mapping of weak entity types Mapping of specialization and generalization.

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3.5 Operations on Functions

3.5 Operations on Functions. What is a Operation? What is a Function?. Creating new Functions: Sums and Differences of Fns. Example 1: Sum and difference Functions. Creating New Functions By Products and Quotients. Example 2: Product and Quotient Functions. Caution: Find domain of f and g.

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Relationships between partial derivatives

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Building Godly Character (In an Ungodly World) Colossians 3

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Classroom Exercise: Normalization

Classroom Exercise: Normalization. Consider the relation R(A,B,C,D) with these given FDs: AB -> C C -> D D -> A Compute all nontrivial FDs that follow from these. Compute the key(s) for R. What are all the superkeys? What are all the BCNF violations? Decompose R into BCNF.

182 views • 6 slides