Download E-books The Data Warehouse Toolkit: The Definitive Guide to Dimensional Modeling PDF

By Ralph Kimball, Margy Ross

Updated new version of Ralph Kimball's groundbreaking publication on dimensional modeling for facts warehousing and enterprise intelligence!

The first variation of Ralph Kimball's The information Warehouse Toolkit introduced the to dimensional modeling, and now his books are thought of the main authoritative courses during this area. This new 3rd version is an entire library of up to date dimensional modeling thoughts, the main accomplished assortment ever. It covers new and stronger megastar schema dimensional modeling styles, provides new chapters on ETL recommendations, contains new and multiplied enterprise matrices for 12 case experiences, and more.

  • Authored by way of Ralph Kimball and Margy Ross, identified around the globe as educators, specialists, and influential proposal leaders in info warehousing and company intelligence
  • Begins with basic layout concepts and progresses via more and more complicated scenarios
  • Presents designated modeling strategies for company purposes resembling stock administration, procurement, invoicing, accounting, shopper dating administration, significant info analytics, and more
  • Draws real-world case stories from quite a few industries, together with retail revenues, monetary prone, telecommunications, schooling, healthiness care, coverage, e-commerce, and more

Design dimensional databases which are effortless to appreciate and supply quick question reaction with The information Warehouse Toolkit: The Definitive consultant to Dimensional Modeling, third Edition.

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Sixty four textual content reviews Dimension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty five a number of Time Zones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty five degree style Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty five Step Dimensions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty five scorching Swappable Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty six summary popular Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty six Audit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty six past due Arriving Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty seven designated objective Schemas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty seven Supertype and Subtype Schemas for Heterogeneous items  . . . . . . sixty seven Real-Time truth Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty eight blunders occasion Schemas  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty eight three Retail revenues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sixty nine Four-Step Dimensional layout Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Step 1: opt for the enterprise strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Step 2: claim the Grain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy one Step three: establish the scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy two Step four: determine the evidence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy two Retail Case learn  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy two Step 1: choose the enterprise procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy four Step 2: claim the Grain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy four Step three: establish the scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy six Contents xiii Step four: determine the proof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy six size desk information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy nine Date measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . seventy nine Product measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . eighty three shop size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 advertising Dimension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 different Retail revenues Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ninety two Degenerate Dimensions for Transaction Numbers . . . . . . . . . . . . . . . . ninety three Retail Schema in motion  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ninety four Retail Schema Extensibility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ninety five Factless truth Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ninety seven size and truth desk Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ninety eight size desk Surrogate Keys  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ninety eight size normal and sturdy Supernatural Keys . . . . . . . . . . . . . . a hundred Degenerate measurement Surrogate Keys  . . . . . . . . . . . . . . . . . . . . . . . a hundred and one Date size shrewdpermanent Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . one zero one truth desk Surrogate Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Resisting Normalization Urges  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 Snowflake Schemas with Normalized Dimensions . . . . . . . . . . . . . . . 104 Outriggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 Centipede truth Tables with Too Many Dimensions . . . . . . . . . . . . . . . 108 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 four stock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 worth Chain Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 stock versions . . . . . . . . . . . . . . . . . . .

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