Database Questions and Answers
| 1. |
A ______ is a collection of data that is stored electronically as a records in a table. |
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- A. Database
- B. Spreadsheet
- C. Presentation
- D. Web page
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| 2. |
Which of the following types of table constraints will prevent the entry of duplicate rows? |
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- A. Primary key
- B. Unique
- C. Null
- D. Foreign key
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| 3. |
In an ER diagram, attributes are represented by |
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- A. Square
- B. Ellipse
- C. Triangle
- D. Rectangle
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| 4. |
Key to represent relationship between tables is called |
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- A. Foreign key
- B. Secondary key
- C. Primary key
- D. Composite key
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