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Home ‣ Database ‣ The Relational Model and Normalization See What Others Are Saying!
- Question
If attribute A determines both attributes B and C, then it is also true that:
Options- A. A ? B.
- B. B ? A.
- C. C ? A.
- D. (B,C) ? A.
- Correct Answer
- A ? B.
- 1. The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.
Options- A. True
- B. False Discuss
- 2. The source of the data is sometimes called the system of record.
Options- A. True
- B. False Discuss
- 3. All primary keys are required.
Options- A. True
- B. False Discuss
- 4. Entities use identifiers while tables use keys.
Options- A. True
- B. False Discuss
- 5. SOAP is now just a name, not an acronym.
Options- A. True
- B. False Discuss
- 6. A function returns one value and has only output parameters.
Options- A. True
- B. False Discuss
- 7. Multiple and binary relationships are the same thing.
Options- A. True
- B. False Discuss
- 8. Output reports should be included as part of an ERD.
Options- A. True
- B. False Discuss
- 9. It is not easy to build a database correctly the first time.
Options- A. True
- B. False Discuss
- 10. SOAP uses HTTP as its only transport mechanism.
Options- A. True
- B. False Discuss
More questions
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: True
Correct Answer: False
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