Book Image

Oracle Warehouse Builder 11g R2: Getting Started 2011

Book Image

Oracle Warehouse Builder 11g R2: Getting Started 2011

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 that have all been updated for the new Fusion Client Platform interface in 11gR2, alongside numerous tips and hints not covered by the official documentation. You’ll finish up with a brand new chapter on code templates where you’ll implement a complete mapping using JDBC connectivity and code template mappings.
Table of Contents (17 chapters)
Oracle Warehouse Builder 11gR2: Getting Started 2011
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Review of the Mapping Editor


We were introduced to the Mapping Editor in the last chapter and discussed its features, so we'll just briefly review it here before using it to create a mapping. We will create mappings that are in the Design Center under an Oracle Database module. In our case, we have created an Oracle Database module called ACME_DWH for our target database. So this is where we will create our mappings. In Design Center, navigate to the ACME_DW_PROJECT | Databases | Oracle | ACME_DWH | Mappings node if it is not already showing. Right-click on it and select New Mapping from the resulting pop-up. We will be presented with a dialog box to specify a name and, optionally, a description of our mapping. We'll name this mapping STAGE_MAP to reflect what it is being used for, and click on the OK button.

This will open the Mapping Editor window for us to begin designing our mapping. An example of what we will see next is presented here:

Unlike our first look at the Mapping Editor in the...