1. Copyright © 2004 Pearson Education, Inc.

2. Chapter 1 Introduction and Conceptual Modeling

3. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 1-3 FIGURE 1.1 A simplified database system environment.

4. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 1-4 FIGURE 1.2a A database that stores student and course information.

5. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 1-5 FIGURE 1.2b A database that stores student and course information.

6. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 1-6 FIGURE 1.2c A database that stores student and course information.

7. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 1-7 FIGURE 1.3 Internal storage format for a STUDENT record.

8. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 1-8 FIGURE 1.4 Two views derived from the database in Figure 1.2 (a) The STUDENT TRANSCRIPT view. (b) The COURSE PREREQUISITES view.

9. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 1-9 FIGURE 1.5 Redundant storage of StudentName and CourseNumber in GRADE_REPORT. (a) Consistent data. (b) Inconsistent record.