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NoSQL for Mere Mortals® by Dan Sullivan

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A. Answers to Chapter Review Questions

This appendix provides answers to review questions throughout the book.

Chapter 1

1. If the layout of records in a flat file data management system changes, what else must change?

Answer: Data access programs will have to change.

2. What kind of relation is supported in a hierarchical data management system?

a. Parent-child

b. Many-to-many

c. Many-to-many-to-many

d. No relations are allowed.

Answer: A. Parent-child relations are supported in hierarchical data management systems.

3. What kind of relation is supported in network data management systems?

a. Parent-child

b. Many-to-many

c. Both parent-child and many-to-many

d. No relations are allowed

Answer: C. Both parent-child and many-to-many relations ...

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