Part IVAppendices
Copyright © 2009 by The McGraw-Hill Companies. Click here for terms of use.
Appendix AAnswers to Self Test
Copyright © 2009 by The McGraw-Hill Companies. Click here for terms of use.
Chapter 1: Introduction to Relational Databases and SQL
1. What is a database?
A database is a collection of data organized in a structured format defined by metadata that describes the structure.
2. Which of the following objects make up a relation?
A. Data types
B. Tuples
C. Attributes
D. Forms
B and C are the correct answers.
3. A(n) ____________ is a set of data whose values make up an instance of each attribute definedfor that relation.
Tuple
4. What are the differences between the first normal form and the second normal form?
According to ...
Get SQL: A Beginner's Guide, Third Edition, 3rd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
