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

Executing


Now we have our staging table deployed to the target database, the POS_TRANS_STAGE table, and have successfully deployed the STAGE_MAP mapping to load that table from our source database. This means we now have enough of our target database deployed to be able to execute the STAGE_MAP mapping to load the staging table. Let's do that now so that we will have progressed through the entire process once. Loading the staging table is the first step we have to take to load our database before we can proceed to load the actual target dimensions and cube. After we execute this mapping, we can go back and deploy the remaining objects, and execute them to load the dimensions and cube.

The process of executing a mapping can be performed from the Design Center as well as from the Control Center Manager. The process of executing is very similar to deploying. Results are displayed in the Control Center Jobs window, which is the same as that of the deployment results, but on a different tab,...