Book Image

IBM DB2 9.7 Advanced Application Developer Cookbook

Book Image

IBM DB2 9.7 Advanced Application Developer Cookbook

Overview of this book

With lots of new features, DB2 9.7 delivers one the best relational database systems in the market. DB2 pureXML optimizes Web 2.0 and SOA applications. DB2 LUW database software offers industry leading performance, scale, and reliability on your choice of platform on various Linux distributions, leading Unix Systems like AIX, HP-UX and Solaris and MS Windows platforms. This DB2 9.7 Advanced Application Developer Cookbook will provide an in-depth quick reference during any application's design and development. This practical cookbook focuses on advanced application development areas that include performance tips and the most useful DB2 features that help in designing high quality applications. This book dives deep into tips and tricks for optimized application performance. With this book you will learn how to use various DB2 features in database applications in an interactive way.
Table of Contents (15 chapters)
IBM DB2 9.7 Advanced Application Developer Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface

Working with structured types


In an object-oriented design, we have business objects as entities and each entity has a set of attributes. A structured type is a user-defined special data type, consisting of one or more data types. To represent an entity in DB2, we can use structured types.

A structured type is a user-defined data type consisting of one or more data types defined as its attributes. For example, in a school, a room can be one entity and its attributes can be length, width, and height. In this example, we can create a structured type as room and define its attributes as width, height, and length. Once we have created a structured type, we can use it as a regular built-in data type. DB2 also provides ways to define its behavior. In this recipe, we will see how to create structured types and use them in our applications.

Getting ready

In this recipe, we will take a scenario of a high school where we have faculty members and students.

How it works...

  1. 1. Creating a structured type...