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  2. Extract, transform, load - Wikipedia

    en.wikipedia.org/wiki/Extract,_transform,_load

    As such, ETL is a key process to bring all the data together in a standard, homogeneous environment. Design analysis [5] should establish the scalability of an ETL system across the lifetime of its usage – including understanding the volumes of data that must be processed within service level agreements. The time available to extract from ...

  3. Expense and cost recovery system - Wikipedia

    en.wikipedia.org/wiki/Expense_and_cost_recovery...

    An expense and cost recovery system (ECRS) is a specialized subset of "extract, transform, load" (ETL) functioning as a powerful and flexible set of applications, including programs, scripts and databases designed to improve the cash flow of businesses and organizations by automating the movement of data between cost recovery systems, electronic billing from vendors, and accounting systems.

  4. Data mart - Wikipedia

    en.wikipedia.org/wiki/Data_mart

    A data mart is basically a condensed and more focused version of a data warehouse that reflects the regulations and process specifications of each business unit within an organization. [3] Each data mart is dedicated to a specific business function or region. This subset of data may span across many or all of an enterprise's functional subject ...

  5. Kimball lifecycle - Wikipedia

    en.wikipedia.org/wiki/Kimball_lifecycle

    Extract, transform, load (ETL) design and development is the design of some of the heavy procedures in the data warehouse and business intelligence system. Kimball et al. suggests four parts to this process, which are further divided into 34 subsystems [3]: Extracting data; Cleaning and conforming data; Delivering data for presentation

  6. Data loading - Wikipedia

    en.wikipedia.org/wiki/Data_loading

    Data loading, or simply loading, is a part of data processing where data is moved between two systems so that it ends up in a staging area on the target system.. With the traditional extract, transform and load (ETL) method, the load job is the last step, and the data that is loaded has already been transformed.

  7. Data integration - Wikipedia

    en.wikipedia.org/wiki/Data_integration

    Figure 1: Simple schematic for a data warehouse. The Extract, transform, load (ETL) process extracts information from the source databases, transforms it and then loads it into the data warehouse. Figure 2: Simple schematic for a data-integration solution. A system designer constructs a mediated schema against which users can run queries.

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