'Informal design guidelines' diaporamas de présentation

Informal design guidelines - PowerPoint PPT Presentation

Incentives and Internet Algorithms

Incentives and Internet Algorithms

Incentives and Internet Algorithms. Joan Feigenbaum Yale University http://www.cs.yale.edu/~jf. Scott Shenker ICSI and U.C. Berkeley http://www.icir.org/shenker. Slides: http://www.cs.yale.edu/~jf/IPCO04. { ppt , pdf } Acknowledgments: Vijay Ramachandran (Yale)

★ ★ ★ ★ ★

1.32k views • 121 slides
Functional Dependencies and Normalization for Relational Databases

Functional Dependencies and Normalization for Relational Databases

Functional Dependencies and Normalization for Relational Databases. Relational Database Designs. There are many different relational database "designs" (schemas) that can be used to store the relevant mini-world information. Can one schema be much better than another?.

★ ★ ★ ★ ★

1.09k views • 97 slides
Chapter 8 Functional Dependencies and Normalization for Relational Databases

Chapter 8 Functional Dependencies and Normalization for Relational Databases

Chapter 8 Functional Dependencies and Normalization for Relational Databases. Chapter Outline. 1 Informal Design Guidelines for Relational Databases 1.1Semantics of the Relation Attributes 1.2 Redundant Information in Tuples and Update Anomalies 1.3 Null Values in Tuples

★ ★ ★ ★ ★

987 views • 78 slides
Chapter 10

Chapter 10

Chapter 10. Functional Dependencies and Normalization for Relational Databases. Chapter Outline. 1. Informal Design Guidelines for Relational Databases 1.1 Semantics of the Relation Attributes 1.2 Redundant Information in Tuples and Update Anomalies 1.3 Null Values in Tuples

★ ★ ★ ★ ★

747 views • 67 slides
Chapter 10

Chapter 10

Chapter 10. Functional Dependencies and Normalization for Relational Databases. Chapter Outline. 1. Informal Design Guidelines for Relational Databases 1.1 Semantics of the Relation Attributes 1.2 Redundant Information in Tuples and Update Anomalies 1.3 Null Values in Tuples

★ ★ ★ ★ ★

702 views • 67 slides
Topic 10 Functional Dependencies and Normalization for Relational Databases

Topic 10 Functional Dependencies and Normalization for Relational Databases

Topic 10 Functional Dependencies and Normalization for Relational Databases. Faculty of Information Science and Technology Mahanakorn University of Technology. Topic Outline. 1 Informal Design Guidelines for Relational Databases 1.1Semantics of the Relation Attributes

★ ★ ★ ★ ★

669 views • 55 slides
Chapter 15 Basics of Functional Dependencies and Normalization for Relational Databases

Chapter 15 Basics of Functional Dependencies and Normalization for Relational Databases

Chapter 15 Basics of Functional Dependencies and Normalization for Relational Databases. Introduction. Levels at which we can discuss goodness of relation schemas Logical (or conceptual) level Implementation (or physical storage) level Approaches to database design: Bottom-up or top-down.

★ ★ ★ ★ ★

432 views • 33 slides
Seminar: Introduction to relational databases

Seminar: Introduction to relational databases

Seminar: Introduction to relational databases. Development process: Analyse the problem domain and build a conceptual model (ER model) Table design Domains Primary key, foreign keys, constraints Quality checking design (normalisation) Create tables Run queries.

★ ★ ★ ★ ★

186 views • 10 slides
Functional Dependencies for Relational Databases

Functional Dependencies for Relational Databases

Functional Dependencies for Relational Databases. Informal Design Guidelines - informal measures of quality Semantics of attributes Reducing redundant values in tuples Reducing null values in tuples Disallowing spurious tuples Functional Dependencies. Functional Dependencies - Definitions.

★ ★ ★ ★ ★

185 views • 5 slides

View Informal design guidelines PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Informal design guidelines PowerPoint presentations. You can view or download Informal design guidelines presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.