Book Image

Oracle Warehouse Builder 11g: Getting Started

Book Image

Oracle Warehouse Builder 11g: Getting Started

Overview of this book

In today's economy, businesses and IT professionals cannot afford to lag behind the latest technologies. Data warehousing is a critical area to the success of many enterprises, and Oracle Warehouse Builder is a powerful tool for building data warehouses. It comes free with the latest version of the Oracle database. Written in an accessible, informative, and focused manner, this book will teach you to use Oracle Warehouse Builder to build your data warehouse. Covering warehouse design, the import of source data, the ETL cycle and more, this book will have you up and running in next to no time. This book will walk you through the complete process of planning, building, and deploying a data warehouse using Oracle Warehouse Builder. By the book's end, you will have built your own data warehouse from scratch. Starting with the installation of the Oracle Database and Warehouse Builder software, this book then covers the analysis of source data, designing a data warehouse, and extracting, transforming, and loading data from the source system into the data warehouse. You'll follow the whole process with detailed screenshots of key steps along the way, alongside numerous tips and hints not covered by the official documentation.
Table of Contents (15 chapters)
Oracle Warehouse Builder 11 Getting Started
Credits
About the Author
About the Reviewers
Preface
Index

Using the Data Object Editor


We've mentioned the Data Object Editor previously. We used it in Chapter 2 to create our source metadata definitions for the ACME_POS transactional database, so let's take this opportunity to look a little closer at it. The Data Object Editor is the manual editor interface that the Warehouse Builder provides for us to create and edit objects. We did not have to use it to create a dimension, but more advanced implementations would definitely need to make use of it; for instance, to edit the cube to change the aggregation method that we just discussed. We'll take a brief look at it here before moving on to get an idea of some of the features it provides. We can get to the Data Object Editor from the Project Explorer by double-clicking on an object, or by highlighting an object (by selecting it with a single click), and then selecting Edit | Open Editor from the menu. Let's open the DATE_DIM dimension in the Data Object Editor and examine it as shown here:

All of...