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https://searchdatamanagement.techtarget.com/feature/An-introduction-to-data-warehousing-and-decision-support-systems
Jun 10, 2009 · Get an overview of data warehousing and learn data warehousing concepts and techniques, including how data warehouse technologies are used. Read a decision support system (DSS) definition in this data warehousing book excerpt and tutorial.
https://en.wikipedia.org/wiki/Data_warehouse
ELT based data warehousing gets rid of a separate ETL tool for data transformation. Instead, it maintains a staging area inside the data warehouse itself. In this approach, data gets extracted from heterogeneous source systems and are then directly loaded into the data warehouse, before any transformation occurs.
http://pages.cs.wisc.edu/~dbbook/openAccess/thirdEdition/slides/slides3ed-english/Ch23a_DecSup-95.pdf
Data Warehousing and Decision Support Chapter 23, Part A Database Management Systems, 2nd Edition. R. Ramakrishnan and J. Gehrke 2 Introduction Increasingly, organizations are analyzing current and historical data to identify useful patterns and support business strategies. Emphasis is …
https://quizlet.com/11643149/data-warehousing-flash-cards/
A conceptional data model of the data warehouse defining the structure of the data warehouse and the metadata to access operational databases and external data sources. Data Mart A subset or view of a data warehouse, typically at a department or functional level, that contains all data required for decision support talks of that department.
https://dzone.com/refcardz/data-warehousing
Aug 29, 2018 · Data warehousing is a process for collecting, storing, and delivering decision-support data for some or all of an enterprise. Data warehousing is a broad subject that is described point-by-point ...
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