Non-spatial Database Models

by Thomas H. Meyer, Mapping Sciences Laboratory, Texas A&M University, USA
This unit is part of the NCGIA Core Curriculum in Geographic Information Science. These materials may be used for study, research, and education, but please credit the author, Thomas H. Meyer, and the project, NCGIA Core Curriculum in GIScience. All commercial rights reserved. Copyright 1997 by Thomas H. Meyer.

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Non-spatial Database Models

1. Motivation: Why database management systems?

2. Fundamental Concepts and Terminology

2.1. Data

2.2. Spatial vs. Non-spatial Data

2.3. Database

2.4. Repository

2.5. Database Management System (DBMS)

2.6.  Queries

2.7.  Data Models

  3. Common Data Models

3.1. Entity-Relationship Model

3.1.1. Entities

3.1.2. Relationships

3.2. The Network Model

3.3. The Relational Model

3.3.1. Tuples

3.3.2. Relations

3.3.3. Tuples, Relations and Keys

3.3.4. Relationships

3.3.5. Query Languages

3.3.6. Relational Database Management System (RDBMS)

3.3.7. Advantages of the Relational Model

3.4. The Object Model

3.4.1. What is the Object Model?

3.4.2. Inheritance (isa) Relationships and Typing

3.4.3. Encapsulation

3.4.4. Comparison to the Relational Model

4. Summary

5. Review and Study Questions

5.1. Essay and Short Answer Questions

5.2. Multiple-choice questions

Choose the best or most appropriate answer(s) to the question.

6. Bibliography

7. Reference Materials

7.1. Print References


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Last revised: November 19, 1997.

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