Unstructured Data Analysis by Matthew Windham

Author:Matthew Windham
Language: eng
Format: epub
Publisher: SAS Institute

3.3.2 Extract, Transform, and Load

Extract, Transform, and Load (ETL) are the classic processes for changing and moving data in Relational Database Management Systems (RDBMS). ETL processes enable us to take data from its raw form and migrate it through database systems in a repeatable way to ensure a dependable, predictable approach to moving and shaping data for our end use. In addition to pulling structured sources for an ERA project, ETL will be performed on the staging tables of entity references generated by the entity extraction phase.

As with every phase of the ERA framework, this is technology function driven by business needs and best practices. Robust business processes will ensure the proper application of ETL technology functions to ensure the level of quality and consistency that we need for each and every project being executed.

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