Appendix C. Answers to Quizzes and Exercises

Hour 1, “Welcome to the World of SQL”

Quiz Answers

1. What does the acronym SQL stand for?

A. SQL stands for Structured Query Language.

2. What are the six main categories of SQL commands?

A. Data Definition Language (DDL)

Data Manipulation Language (DML)

Data Query Language (DQL)

Data Control Language (DCL)

Data administration commands (DAC)

Transactional control commands (TCC)

3. What are the four transactional control commands?

A.

COMMITROLLBACKSAVEPOINTSET TRANSACTIONS

4. What is the main difference between client/server and web technologies as they relate to database access?

A. The connection to the database is the main difference. Using the client to connect means you log on to the server ...

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