Chapter 4 Types of Data Models
High-level Conceptual Data Models High-level conceptual data models provide concepts for presenting data in ways that are close to the way people perceive data. A typical example is the entity…
Chapter 3 Characteristics and Benefits of a Database
Managing information means taking care of it so that it works for us and is useful for the tasks we perform. By using a DBMS, the information we collect and…
Chapter 1 Before the Advent of Database Systems
The way in which computers manage data has come a long way over the last few decades. Today's users take for granted the many benefits found in a database system.…
Chapter 2 Fundamental Concepts
What Is a Database? A database is a shared collection of related data used to support the activities of a particular organization. A database can be viewed as a repository…
Preface
The primary purpose of this text is to provide an open source textbook that covers most introductory database courses. The material in the textbook was obtained from a variety of…
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