'Nonkey attribute' diaporamas de présentation

Normalization of Database Tables

Normalization of Database Tables. CHAPTER 4. Chapter Objectives. Understand concepts of normalization Learn how to normalize tables Understand normalization and database design issues. Database Tables and Normalization. Normalization is a process for assigning attributes to entities.

804 views • 30 slides

Entity-Relationship Model Design Principles, Keys, Subclasses, Exercises

Entity-Relationship Model Design Principles, Keys, Subclasses, Exercises. Design Principles: Faithfulness. Whatever relationships are asserted should make sense given what we know about the part of the real world being modeled.

180 views • 17 slides

Department of Computer and Information Science, School of Science, IUPUI

Department of Computer and Information Science, School of Science, IUPUI. Data Modeling Design Techniques. Dale Roberts, Lecturer Computer Science, IUPUI E-mail: droberts@cs.iupui.edu. Design Techniques. Avoid redundancy. Limit the use of weak entity sets.

133 views • 13 slides

NORMALIZATION

145 views • 3 slides