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- Question
A distributed database is which of the following?
Options- A. A single logical database that is spread to multiple locations and is interconnected by a network
- B. A loose collection of file that is spread to multiple locations and is interconnected by a network
- C. A single logical database that is limited to one location.
- D. A loose collection of file that is limited to one location.
- Correct Answer
- A single logical database that is spread to multiple locations and is interconnected by a network
- 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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