The Database Environment problems
- 1. A database management system (DBMS) is a:
Options- A. hardware system used to create, maintain, and provide controlled access to a database.
- B. hardware system used to create, maintain, and provide uncontrolled access to a database.
- C. software system used to create, maintain, and provide controlled access to a database.
- D. software system used to create, maintain, and provide uncontrolled access to a database. Discuss
Correct Answer: software system used to create, maintain, and provide controlled access to a database.
- 2. Which of the following is true for a relational database?
Options- A. Data is represented by tables.
- B. It is difficult to access data.
- C. Complex programs have to be written for simple queries.
- D. All of the above. Discuss
Correct Answer: Data is represented by tables.
- 3. Which of the following types of databases are the most common?
Options- A. Personal
- B. Workgroup
- C. Department
- D. Enterprise Discuss
Correct Answer: Department
- 4. Metadata enables database designers and users to do all of the following except:
Options- A. sample data.
- B. understand what data exist.
- C. what the fine distinctions are between similar data items.
- D. what the data mean. Discuss
Correct Answer: sample data.
- 5. A database application can perform which of the following activities?
Options- A. Add records
- B. Read records
- C. Update records
- D. All of the above. Discuss
Correct Answer: All of the above.
- 6. The database approach requires additional costs and risks.
Options- A. True
- B. False Discuss
Correct Answer: True
- 7. Database management systems were first introduced in the 1950s.
Options- A. True
- B. False Discuss
Correct Answer: False
- 8. The primary mechanism for providing context for data is metadata.
Options- A. True
- B. False Discuss
Correct Answer: True
- 9. An advantage of the database approach is the creation of maximum data redundancy.
Options- A. True
- B. False Discuss
Correct Answer: False
- 10. Another name for multimedia data is unstructured data.
Options- A. True
- B. False Discuss
Correct Answer: True
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