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How to Use This Book
This book is designed as a tutorial-style introduction to web
database applications. To begin, read Chapter 1
for an overview of the architecture and tools that are used in this
book.If you haven't installed the Apache web server, the
PHP scripting engine, or the MySQL database management system (or
you're not sure you've got the
latest software), then follow the instructions in Appendix A, Appendix B, or Appendix C, depending on the platform you are using.
They also show how the examples used in this book can be downloaded
and installed locally. We recommend downloading the code and
databases used in this book, as they will help you understand the
concepts as they are presented.Chapter 2 and Chapter 5
are designed as introductions to PHP and SQL, respectively. Read them
both for an introduction to the key tools, and before you read Chapter 6 and later chapters. Chapter 3 and Chapter 4 provide
more detail on PHP and are structured by topic. You can read them as
tutorials or use them as references for functions or concepts.Chapter 6 through Chapter 13 are tutorial-style chapters that follow
through the principles and practice of web database applications, and
include annotated function references and short case study examples
to illustrate the concepts. Chapter 6
through Chapter 11 describe the basic principles
and components and should be read sequentially. When
you've read these chapters, you're
ready to start building your own applications. If
you're using MySQL 4.1, then after
you've read Chapter 6, read
Appendix H for more information on
PHP's new improved MySQL function library.Chapter 12 introduces writing custom error
handlers that will aid your debugging and add robustness to your
application when it's deployed. Chapter 13 focuses on developing printable reports
using Adobe's PDF format. By the conclusion of Chapter 13, you should be a master of the principles
of developing web database applications.Chapter 14 and Chapter 15
contain advanced topics. These rely on concepts from the earlier
chapters and give you complete skills for building sophisticated
applications using advanced programming and database techniques. You
can reserve these optional chapters for later, when you get
interested in advanced web development. You don't
need to read these chapters to understand our sample application in Chapter 16 to Chapter 20.Chapter 16 to Chapter 20
present and briefly discuss complete scripts for the online winestore
case study. The scripts show how the techniques from Chapter 2 to Chapter 12 are
applied in practice and, as such, are most useful after mastering the
content of the earlier chapters. The material in these later chapters
is most useful when the example application has been downloaded and
installed on a local server, allowing the scripts to be modified and
tested as the chapters are read.Appendix D and Appendix E
are also in a tutorial style. We recommend Appendix D if you are interested in or are unfamiliar
with the web environment and its underlying protocols. Appendix E is a brief introduction to
entity-relationship modeling for databases and shows the steps we
took in designing the winestore database. We recommend reading Appendix E after completing Chapter 5.
