This appendix contains the answer key to mastery check questions from the chapters in the book. Brief explanations supporting the answers follow each question. It is organized by chapter.

Chapter 1

Here are the questions and answers for Chapter 1.

1.    True False Databases implement a two-tier client-server model.

True. Databases implement client- and server-tiers, the client-tier manages the entry, parsing, and submittal of SQL statements to the server-tier that performs the physical access, change, and removal of data.

2.    True False Client-software provides only an interactive method for running SQL statements.

False. The client-software provides both interactive and batch processing.

3.    True False SQL statements can be grouped into categories.