Database Systems - Section 5 Multiple Questions and Answers.
Exercise Questions ::
Database Systems
21. | Which of the following hardware components is the most important to the operation of a database management system? |
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| A. | high-resolution video display |
| B. | printer |
| C. | high speed, large-capacity disk |
| D. | plotter |
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Published by:Michael Daani
22. | The PROJECT command will create new table that has |
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| A. | more fields than the original table |
| B. | more rows than the original table |
| C. | both (a) and (b) |
| D. | None of the above |
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Published by:Michael Daani
23. | To have a file hold a list, it is necessary to |
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| A. | identify the records in the list |
| B. | identify the name, width and type of the fields of each record. |
| C. | decide which fields will be used as sort or index keys |
| D. | All of the above |
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Published by:Michael Daani
24. | Sophisticated report generators can |
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| A. | print row-oriented reports |
| B. | perform arithmetic operations |
| C. | selectively retrieve and print portions of a list |
| D. | All of the above |
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Published by:Michael Daani
25. | In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. |
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| A. | Network database |
| B. | Relational database |
| C. | Distributed database |
| D. | Hierarchical database |
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Published by:Michael Daani
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