Database - Modeling Data in the Organization
Exercise :: Modeling Data in the Organization - General Questions
| 6. |
A rectangle represents which of the following in an ERD? |
| A. |
Attribute | | B. |
Entity | | C. |
Optional One | | D. |
Relationship |
Answer: Option B
Explanation:
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| 7. |
An entity name should be which of the following? |
| A. |
A singular noun | | B. |
Specific to the organization | | C. |
Concise | | D. |
All of the above. |
Answer: Option D
Explanation:
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| 8. |
An oval represents which of the following in an ERD? |
| A. |
Attribute | | B. |
Entity | | C. |
Optional One | | D. |
Relationship |
Answer: Option A
Explanation:
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| 9. |
When the minimum and maximum number of instances of an entity is one, you know which of the following? |
| A. |
Mandatory one | | B. |
Optional one | | C. |
Mandatory many | | D. |
Cannot tell |
Answer: Option A
Explanation:
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| 10. |
An attribute name should be which of the following? |
| A. |
Singular verb or verb phrase | | B. |
Follow a standard format | | C. |
Use a alias | | D. |
All of the above. |
Answer: Option B
Explanation:
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