Appendix C. Answers to Quizzes and Exercises

Hour 1, “Welcome to the World of SQL”

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.	`COMMIT` `ROLLBACK` `SAVEPOINT` `SET TRANSACTIONS`
4.	What is the main difference between client/server and web technologies as they related to database access?
A.	The connection to the database would be the main difference. Using the client to connect would log on to the server directly to the database. ...

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