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picture1_Processing Pdf 181167 | Dmdw Unit 2


picture2_Processing Pdf 181167 | Dmdw Unit 2 picture3_Processing Pdf 181167 | Dmdw Unit 2

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File: Processing Pdf 181167 | Dmdw Unit 2
Unit-II Data Warehousing and Online Analytical Processing: Basic Concepts What Is a DataWarehouse? Loosely speaking, a data warehouse refers to a data repository that is maintained separately from an organization&rsquo ...

icon picture PDF Filetype PDF | Posted on 30 Jan 2023 | 2 years ago
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...Unit ii data warehousing and online analytical processing basic concepts what is a datawarehouse loosely speaking warehouse refers to repository that maintained separately from an organization s operational databases according william h inmon leading architect in the construction of systems subject oriented integrated time variant nonvolatile collection support management decision making process organized around major subjects such as customer supplier product sales rather than concentrating on day operations transaction focuses modeling analysis for makers usually constructed by integrating multiple heterogeneous sources relational flat files records cleaning integration techniques are applied ensure consistency naming conventions encoding structures attribute measures so stored provide information historic perspective e g past years every key structure contains either implicitly or explicitly element always physically separate store transformed application found environment due this ...
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