August 2009
Intermediate to advanced
893 pages
26h 48m
English
Content preview from Database Systems: Concepts, Design and Applications
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Chapter 7 Enhanced Entity-Relationship (EER) Model
State True/False
| 1. | True |
| 2. | True |
| 3. | True |
| 4. | True |
| 5. | False |
| 6. | False |
| 7. | False |
| 8. | True |
| 9. | True |
| 10. | True |
| 11. | True |
| 12. | False |
| 13. | True |
| 14. | True |
| 15. | True |
| 16. | True |
| 17. | False |
| 18. | True |
| 19. | False |
| 20. | True |
| 21. | True |
| 22. | True. |
Tick (✓) the Appropriate Answer
| 1. | (a) |
| 2. | (d) |
| 3. | (a) |
| 4. | (b) |
| 5. | (a) |
| 6. | (d) |
| 7. | (d). |
Fill in the Blanks
| 1. | One-to-one (1:1) |
| 2. | Subtype, subset, supertype |
| 3. | Subtype, supertype |
| 4. | Enhanced Entity Relationship (EER) model |
| 5. | Redundancy |
| 6. | Shared subtype |
| 7. | Supertype (or superclass), specialization/generalization |
| 8. | Supertype, subclass, specialization/generalization |
| 9. | Mandatory |
| 10. | Optional |
| 11. | One |
| 12. | Attribute inheritance |
| 13. | ‘d’, circle |
| 14. | ‘o’, circle |
| 15. | Shared subtype |
| 16. | Generalization |
| 17. | Generalization |
| 18. | Enhanced Entity Relationship. |