Review Questions
| 1. | What is data? |
| 2. | What do you mean by information? |
| 3. | What are the differences between data and information? |
| 4. | What is database and database system? What are the elements of database system? |
| 5. | Why do we need a database? |
| 6. | What is system catalog? |
| 7. | What is database management system? Why do we need a DBMS? |
| 8. | What is transaction? |
| 9. | What is data dictionary? Explain its function with a neat diagram. |
| 10. | What are the components of data dictionary? |
| 11. | Discuss active and passive data dictionaries. |
| 12. | What is entity and attribute? Give some examples of entities and attributes in a manufacturing environment. |
| 13. | Name some entities and attributes with which an educational institution would be concerned. |
| 14. | Name some entities and attributes ... |
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