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The Data Warehouse ETL Toolkit: Practical Techniques for Ext racting, Cleaning, Conforming, and Delivering Data
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This book introduces real-world solutions for the most time - and labor-...
Editora: Wiley Publishing
ISBN: 0764567578
Autor: Ralph Kimball
Páginas: 525
Formato: 24 x 17 (impresso)
Publicação: 2004
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Lista:
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117,00
17,55
99,45
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| Sinopse: This book introduces real-world solutions for the most time - and labor-intensive portion of data warehousing-data staging, or the extract, transform, load (ETL) process. The authors delineates 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, This work also offers proven time-saving ETL techniques, comprehensive guidance on building dimensional structures, and crucial advice on ensuring data quality. |
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