| Database | Knowledge Base |
| 1. Database doesn't consist of fuzzy facts. | 1. Knowledge base may consist of fuzzy facts. |
| 2. Database doesn't contain the more sophisticated relationship between facts. | 2. Knowledge base contains more sophisticated relationships between facts. |
| 3. Database doesn't contain factual and heuristic knowledge. | 3. Knowledge base contains both factual and heuristic knowledge. |
| 4. It doesn't emulate the decision making. | 4. It emulates the decision making processes of humans. |
| 5. It doesn't capture and distribute knowledge. | 5. It captures and distributes knowledge. |
| 6. These systems are sometimes not consistent. | 6. Theses systems are accurate and consistent. |
| 7. Database systems aren't dependable. | 7. Knowledge base systems are dependable. |
| 8. A database expert is needed to update databases. | 8. An expert knowledge of the domain is needed for updating Knowledge Base. |
| 9. These systems are sometimes not profitable. | 9. These systems are profitable. |