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- Question
We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .
Options- A. dirty data
- B. inconsistent data
- C. non-integrated data
- D. a "wrong format" problem
- Correct Answer
- non-integrated data
- 1. A updatable view has its own data.
Options- A. True
- B. False Discuss
- 2. Well-structured relations encourage anomalies of data.
Options- A. True
- B. False Discuss
- 3. Entity instances are associated by relationship classes.
Options- A. True
- B. False Discuss
- 4. Composite identifiers consist of two or more attributes.
Options- A. True
- B. False Discuss
- 5. Queries that do full table scans should be avoided.
Options- A. True
- B. False Discuss
- 6. The World Wide Web Consortium (W3C) is the chief standards body for HTTP and HTML.
Options- A. True
- B. False Discuss
- 7. MySQL is pronounced "my See-quel."
Options- A. True
- B. False Discuss
- 8. The data model produced from the reverse engineering process does not include intersection table data.
Options- A. True
- B. False Discuss
- 9. The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server.
Options- A. True
- B. False Discuss
- 10. Three types of triggers are: BEFORE, AFTER and EXCEPTION.
Options- A. True
- B. False Discuss
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