April 2015
Intermediate to advanced
650 pages
10h 47m
English
Content preview from NoSQL for Mere Mortals®
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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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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.