The Data Warehouse ETL Toolkit
Practical Techniques for Extracting, Cleaning, Confirming, and Delivering Data
Paperback Engels 2004 1e druk 9780764567575Samenvatting
Cowritten by Ralph Kimball, the world's leading data warehousing authority, this book 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. This book offers proven time-saving ETL techniques, comprehensive guidance on building dimensional structures, and crucial advice on ensuring data quality.
Specificaties
Lezersrecensies
Inhoudsopgave
About the Authors.
Introduction.
Part I: Requirements, Realities, and Architecture.
1: Surrounding the Requirements.
2: ETL Data Structures.
Part II: Data Flow.
3: Extracting.
4: Cleaning and Conforming.
5: Delivering Dimension Tables.
6: Delivering Fact Tables.
Part III: Implementation and operations.
7: Development.
8: Operations.
9: Metadata.
10: Responsibilities.
Part IV: Real Time Streaming ETL Systems.
11: Real-Time ETL Systems.
12: Conclusions.
Index.
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