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- Question
Replication should be used when which of the following exist?
Options- A. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables.
- B. When using many nodes with different operating systems and DBMSs and database designs.
- C. The application's data can be somewhat out-of-date.
- D. All of the above.
- Correct Answer
- The application's data can be somewhat out-of-date.
- 1. An abstraction is a generalization of something.
Options- A. True
- B. False Discuss
- 2. SQL Server AFTER Triggers may be assigned views.
Options- A. True
- B. False Discuss
- 3. 'dbo' stands for database object.
Options- A. True
- B. False Discuss
- 4. SQL is a data sublanguage.
Options- A. True
- B. False Discuss
- 5. Which one of the following symbols is not used in an ERD?
Options- A. Rectangle
- B. Oval
- C. Diamond
- D. Circle Discuss
- 6. Data in operational systems are typically fragmented and inconsistent.
Options- A. True
- B. False Discuss
- 7. VBScript is similar to JavaScript.
Options- A. True
- B. False Discuss
- 8. Successful data warehousing requires that a formal program in total quality management (TQM) be implemented.
Options- A. True
- B. False Discuss
- 9. 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
- 10. The source of the data is sometimes called the system of record.
Options- A. True
- B. False Discuss
More questions
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: True
Correct Answer: Circle
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: True
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