'Semantic integrity constraints' presentation slideshows

Information and Network Security

Information and Network Security. World History. Information Security: Basic concepts. Information Protection :Why?. Information - An important strategic and operational asset for any organization

2.13k views • 124 slides

Chapter 6: The Relational Data Model

Chapter 6: The Relational Data Model. Data Modeling and Database Design. The Motivation for Logical Data Modeling. Completion of conceptual modeling phase results in reasonably clear picture of data requirements for application system at high level of abstraction

1.14k views • 96 slides

CMSC424: Database Design

640 views • 47 slides

The Relational Model

The Relational Model. Much of the material presented in these slides was developed by Dr. Ramon Lawrence at the University of Iowa. Important Points. Relational Model Definitions Relational Keys Relational Integrity. Tables. Relational database is a collection of tables

384 views • 24 slides

The Relational Data Model

The Relational Data Model. TCU Database Systems Last update: September 2004 Reference: Elmasri 4 th edition, chapter 5. Introduction . Codd (1970) Theoretical (mathematical) foundation Concepts relation data structure integrity constraints Operations relational algebra and extensions.

237 views • 12 slides