'Ary relationships' diaporamas de présentation

Chapter 5: Logical Database Design and the Relational Model

Modern Database Management 8th Edition Jeffrey A. Hoffer , Mary B. Prescott, Fred R. McFadden. Chapter 5: Logical Database Design and the Relational Model. By: Aatif Kamal Dated: March 2008. Objectives. Definition of terms List five properties of relations

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Database Design: Logical Models: Normalization and The Relational Model

Database Design: Logical Models: Normalization and The Relational Model. Database Design Process. Application 1. Application 2. Application 3. Application 4. External Model. External Model. External Model. External Model. Application 1. Conceptual requirements. Application 2.

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Database Design: Logical Models: Normalization and The Relational Model

Database Design: Logical Models: Normalization and The Relational Model. Database Design Process. Application 1. Application 2. Application 3. Application 4. External Model. External Model. External Model. External Model. Application 1. Conceptual requirements. Application 2.

819 views • 76 slides

Chapter 5: Logical Database Design and the Relational Model

Chapter 5: Logical Database Design and the Relational Model. Modern Database Management Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden. Objectives. Definition of terms List five properties of relations State two properties of candidate keys

1.04k views • 75 slides

From Data to Knowledge through Grailog Visualization

From Data to Knowledge through Grailog Visualization (Long version: http://www.cs.unb.ca/~boley/talks/RuleMLGrailog.pdf ). Harold Boley Faculty of Computer Science University of New Brunswick Fredericton, NB, Canada. Decision CAMP, 4-6 November 2013 eBay Town Hall, San Jose, CA

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Chapter 4: Logical Database Design and the Relational Model

Modern Database Management. Chapter 4: Logical Database Design and the Relational Model. Define 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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Information Resources Management

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7. Object-oriented databases

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Logical Database Design and the Relational Model

Logical Database Design and the Relational Model. Relation. Definition: A relation is a named, two-dimensional table of data Table consists of rows (records) and columns (attribute or field) Requirements for a table to qualify as a relation: It must have a unique name

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Database Systems Design Part III : Mapping ER Diagram to Relational Schema

Database Systems Design Part III : Mapping ER Diagram to Relational Schema. Software School of Hunan University 2006.09. Database Design Flow Diagram. Intelligence. Individual Part 1. Identify Summary Abstract Deduce, Refine. ER-diagram. Individual Part n. Transformation.

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Management of schema translations in a model generic framework

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Lecture 14: Entity Relationship Modelling

Lecture 14: Entity Relationship Modelling. The Entity-Relationship Model Entities Relationships Attributes Constraining the instances Cardinalities Identifiers Generalization. The Entity Relationship Model. Entity-Relationship Schema

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From ER to Tables

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Semantic Network

Semantic Network. A semantic network is a graph whose nodes represent individuals and whose directed arcs represent binary relationships. (Kowalski)

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PROV- Ontology (PROV-O)

PROV- Ontology (PROV-O). Satya Sahoo , Khalid Belhajjame , James Cheney , Daniel Garijo , Timothy Lebo , Deborah McGuinness , Stephan Zednik , Stian Soiland -Reyes. W3C Provenance Working Group. Index of contents. Index: Background Classes Object properties

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