Download or read book The Data Warehouse ETL Toolkit written by Ralph Kimball and published by John Wiley & Sons. This book was released on 2011-04-27 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cowritten by Ralph Kimball, the world's leading data warehousing authority, whose previous books have sold more than 150,000 copies Delivers real-world solutions for the most time- and labor-intensive portion of data warehousing-data staging, or the extract, transform, load (ETL) process Delineates best practices for extracting data from scattered sources, removing redundant and inaccurate data, transforming the remaining data into correctly formatted data structures, and then loading the end product into the data warehouse Offers proven time-saving ETL techniques, comprehensive guidance on building dimensional structures, and crucial advice on ensuring data quality