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- Question
Before any changes to database structure are attempted one should first:
Options- A. clearly understand the current structure and contents of the database only.
- B. test any changes on a test database only.
- C. create a complete backup of the operational database only.
- D. All of the above should be done.
- Correct Answer
- All of the above should be done.
- 1. The source of the data is sometimes called the system of record.
Options- A. True
- B. False Discuss
- 2. All primary keys are required.
Options- A. True
- B. False Discuss
- 3. Entities use identifiers while tables use keys.
Options- A. True
- B. False Discuss
- 4. SOAP is now just a name, not an acronym.
Options- A. True
- B. False Discuss
- 5. A function returns one value and has only output parameters.
Options- A. True
- B. False Discuss
- 6. Multiple and binary relationships are the same thing.
Options- A. True
- B. False Discuss
- 7. Output reports should be included as part of an ERD.
Options- A. True
- B. False Discuss
- 8. It is not easy to build a database correctly the first time.
Options- A. True
- B. False Discuss
- 9. SOAP uses HTTP as its only transport mechanism.
Options- A. True
- B. False Discuss
- 10. A updatable view has its own data.
Options- A. True
- B. False Discuss
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