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

Code templates


The Oracle Warehouse Builder has always provided a rich set of SQL and PL/SQL code that is included for extracting data, transforming it and loading it: but that rich feature set was always centered around an Oracle database. There was, and still is, support for connecting to non-Oracle databases via an ODBC connection or via a gateway module specifically designed for connecting to a non-Oracle database as we discussed earlier in the book, but that feature does not provide any way to perform transformations of data or loading data directly in those other databases. There is also no support for alternative data sources other than flat files via SQL Loader and SAP Enterprise Resource Planning system.

Code template description

With the addition of code templates, which leverage the knowledge module feature of ODI, we now have the capability to perform complex transformations and data integration natively in non-Oracle databases and to access any number of alternative data sources...