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A properly designed ETL system extracts data from source systems and enforces data type and data validity standards and ensures it conforms structurally to the requirements of the output. Some ETL systems can also deliver data in a presentation-ready format so that application developers can build applications and end users can make decisions. [1]
The ETL (extract, transform, load) actions will be necessary, although the means of achieving these may not be those traditionally associated with the ETL acronym. Data integration, by contrast, is a permanent part of the IT architecture , and is responsible for the way data flows between the various applications and data stores—and is a ...
Its purpose is to establish a foundation for all the following activities in the lifecycle. Kimball et al. makes it clear that it is important for the project team to talk with the business users, and team members should be prepared to focus on listening and to document the user interviews. An output of this step is the enterprise bus matrix.
A staging area, or landing zone, is an intermediate storage area used for data processing during the extract, transform and load (ETL) process. The data staging area sits between the data source(s) and the data target(s), which are often data warehouses, data marts, or other data repositories.
Extract, transform, load tools are software packages that facilitate the performing of ETL tasks. Pages in category "Extract, transform, load tools" The following 35 pages are in this category, out of 35 total.
The Comprehensive & Robust Requirements Specification Process (CRRSP), or CRRSP (pronounced crisp), is a methodology for gathering, defining, and validating software requirements. CRRSP is not a step-by-step restrictive process, but an adaptable framework, intended to be customized by the Business Analysis teams that select the elements of the ...