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Database Systems - Section 6 Multiple Questions and Answers.
| 31. | A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. | ||
| A. | Network | ||
| B. | Hierarchical | ||
| C. | Relational | ||
| D. | Object-Oriented | ||
| 32. | Which of the following is a serious problem of file management systems? | ||
| A. | difficult to update | ||
| B. | lack of data independence | ||
| C. | data redundancy | ||
| D. | All of the above | ||
| 34. | The model for a _____ resembles the hierarchical model in many respects. | ||
| A. | Network database | ||
| B. | Relational database | ||
| C. | Distributed database | ||
| D. | Hierarchical database | ||
| 35. | In any hierarchy of data organization, the smallest entity to be processed as a single unit is called | ||
| A. | data field | ||
| B. | data record | ||
| C. | data file | ||
| D. | database | ||
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