1. © 2011 The McGraw-Hill Companies, Inc. All rights reserved.

2. Databases & Information Systems

10. 8.3 Database Models © 2011 The McGraw-Hill Companies, Inc. All rights reserved. Database Type Description Hierarchical database Fields or records are arranged in a family tree, with child records subordinate to parent or higher-level records Network database Like a hierarchical database, but each child record can have more than one parent record Relational database Relates, or connects, data in different files through the use of a key, or common data element Object-oriented database Uses objects (software written in small, reusable chunks) as elements within database files Multidimensional database Models data as facts, dimensions, or numerical measures for use in the interactive analysis of large amounts of data

12. 8.3 Database Models © 2011 The McGraw-Hill Companies, Inc. All rights reserved.

14. 8.3 Database Models © 2011 The McGraw-Hill Companies, Inc. All rights reserved.

17. 8.3 Database Models © 2011 The McGraw-Hill Companies, Inc. All rights reserved.

21. 8.4 Data Mining © 2011 The McGraw-Hill Companies, Inc. All rights reserved.

29. 8.6 Using Databases to Help Make Decisions © 2011 The McGraw-Hill Companies, Inc. All rights reserved.

30. 8.6 Using Databases to Help Make Decisions © 2011 The McGraw-Hill Companies, Inc. All rights reserved.

35. 8.6 Using Databases to Help Make Decisions © 2011 The McGraw-Hill Companies, Inc. All rights reserved.