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- Question
Denormalization and clustering can work well to minimize data access time for small records.
Options- A. True
- B. False
- Correct Answer
- True
- 1. Two basic constructs to link one piece of data with another piece of data: sequential storage and pointers.
Options- A. True
- B. False Discuss
- 2. Distributing the columns of a table into several separate physical records is known as horizontal partitioning.
Options- A. True
- B. False Discuss
- 3. Data-volume and frequency-of-use statistics are not critical inputs to the physical database design process.
Options- A. True
- B. False Discuss
- 4. When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.
Options- A. True
- B. False Discuss
- 5. Some advantages of partitioning include: efficiency, security, and load balancing.
Options- A. True
- B. False Discuss
- 6. An extent is a contiguous section of disk storage space.
Options- A. True
- B. False Discuss
- 7. A pointer is a detailed coding scheme recognized by system software for representing organizational data.
Options- A. True
- B. False Discuss
- 8. It is usually not very important to design the physical database to minimize the time required by users to interact with the information systems.
Options- A. True
- B. False Discuss
- 9. The primary goal of physical database design is data processing efficiency.
Options- A. True
- B. False Discuss
- 10. A field represents each component of a composite attribute.
Options- A. True
- B. False Discuss
Physical Database Design problems
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