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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 source systems may change, which may mean the same amount of data may have to be processed in less time.
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.
Extract, load, transform (ELT) is an alternative to extract, transform, load (ETL) used with data lake implementations. In contrast to ETL, in ELT models the data is not transformed on entry to the data lake, but stored in its original raw format.
The transformation phase of a spatial ETL process allows a variety of functions; some of these are similar to standard ETL, but some are unique to spatial data. [3] Spatial data commonly consists of a geographic element and related attribute data; therefore spatial ETL transformations are often described as being either geometric transformations – transformation of the geographic element ...
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Gartner was the target of a federal lawsuit (filed May 29, 2009) from software vendor ZL Technologies challenging the "legitimacy" of Gartner's Magic Quadrant rating system. [7] Gartner filed a motion to dismiss by claiming First Amendment protection since it contends that its MQ reports contain "pure opinion", which legally means opinions that ...
Definition Description Material solutions analysis: Material development decision review: 1: Basic manufacturing implications identified: Basic research expands scientific principles that may have manufacturing implications. The focus is on a high level assessment of manufacturing opportunities. The research is unfettered. 2: Manufacturing ...
Educational Evaluation and Policy Analysis is a peer-reviewed academic journal covering all aspects of educational policy analysis. It was established in 1979 and is published by SAGE Publications on behalf of the American Educational Research Association .