作者：Robert Griesemer
出版日期：August 5, 2009
出版社：其它
页数：368
ISBN：ISBN-10: 1847195741 ISBN-13: 978-1847195746
文件格式：PDF


Extract, Transform, and Load data to build a dynamic, operational data warehouse
Build a working data warehouse from scratch with Oracle Warehouse Builder.Cover techniques in Extracting, Transforming, and Loading data into your data warehouse.Learn about the design of a data warehouse by using a multi-dimensional design with an underlying relational star schema.Written in an accessible and informative style, this book helps youachieve your warehousing goals, and is loaded with screenshots,numerous tips, and strategies not found in the official user guide.In Detail
In today’s economy, businesses and IT professionals cannot afford tolag behind the latest technologies. Data warehousing is a critical areato the success of many enterprises, and Oracle Warehouse Builder is apowerful tool for building data warehouses. It comes free with thelatest version of the Oracle database.
Written in an accessible, informative, and focused manner, this bookwill teach you to use Oracle Warehouse Builder to build your datawarehouse. Covering warehouse design, the import of source data, theETL cycle and more, this book will have you up and running in next tono time.
This book will walk you through the complete process of planning,building, and deploying a data warehouse using Oracle WarehouseBuilder. By the book’s end, you will have built your own data warehousefrom scratch.
Starting with the installation of the Oracle Database and WarehouseBuilder software, this book then covers the analysis of source data,designing a data warehouse, and extracting, transforming, and loadingdata from the source system into the data warehouse. You’ll follow thewhole process with detailed screenshots of key steps along the way,alongside numerous tips and hints not covered by the officialdocumentation.
What you will learn from this book?
Install the most recent Oracle Database version including Warehouse Builder.Learn basic data warehousing concepts and analyze and design your own data warehouse.Configure your Oracle database to communicate with a non-Oracle database using Oracle Heterogeneous Services.Build, view, and edit a cube and its dimensions, using Warehouse Builder Wizards and the Data Object Editor.Discover the underlying star schema relational structure thatWarehouse Builder will build to implement your cube and dimensions.Recognize what a staging area is, and build a staging table and mapping to load it from SQL Server database tables.Learn various operators for use in mappings, for the transformation and flow of data.Build and execute mappings to load dimensions and a cube using the Warehouse Builder Mapping Editor and Control Center Manager.Approach
This easy-to-understand tutorial covers Oracle Warehouse Builderfrom the ground up, and taps into the author’s wide experience as asoftware and database engineer. Written in a relaxed style withstep-by-step explanations, lots of screenshots are provided throughoutthe book. There are numerous tips and helpful hints throughout that arenot found in the original documentation. By following this book, youcan use Oracle Warehouse Builder in the best possible way and maximizeyour learning potential.
Who this book is written for?
This book is a good starting point for database engineers,administrators, and architects who are responsible for data warehouseprojects and need to design them and load data into them. If you aresomeone who wants to learn Oracle Warehouse Builder and expand yourknowledge of the tool and data warehousing, this is an ideal book foryou. No prior data warehouse or database experience is presumed withall new database and data warehouse technical terms and conceptsexplained in clear easy-to-understand language.
About the Author
Robert Griesemer
Bob Griesemer has over 27 years of software and database engineeringexperience in both government and industry. He has been working withthe Oracle Database with every release since version 6 from 1993 to thepresent, in various roles involving database development andadministration. He is currently an Oracle Database AdministratorCertified Associate and is employed by the Northrop Grumman Corporationwhere he is the Senior Database Engineer and primary data warehouse ETLspecialist for a large data warehouse project.