1. Copyright © 2004 Pearson Education, Inc.

2. Chapter 22 Object-Relational and Extended-Relational Systems

3. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 22-3 Overview of SQL and Its Object-Relational Features The SQL Standard and Its Components Object-Relational Support in SQL-99 Some New Operations and Features in SQL

4. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 22-4 Evolution and Current Trends of Database Technology

5. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 22-5 The Informix Universal Server Extensible Data Types Support for User-Defined Routines Support for Inheritance Support for Indexing Extensions Support for External Data Sources Support for Data Blades Application Programming Interface

6. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 22-6 Object-Relational Features of Oracle 8 Some Examples of Object-Relational Features of Oracle Managing Large Objects and Other Storage Features

7. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 22-7 Implementation and Related Issues for Extended Type Systems

8. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 22-8 The Nested Relational Model

9. Elmasri and Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Pearson Education, Inc. Slide 22-9 Summary