Question asked about ETL (little explanation needed)
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Question asked about ETL (little explanation needed)
What do you understand by the term ETL (Extraction Transfer Load) with respect to data mining and data warehousing ? ??
M.tech ..DOEACC
M.tech ..DOEACC
aashaya m- Posts : 18
Join date : 2011-04-25
Extract, Transform, Load
In my experience, the "T" in "ETL" is an abbreviation of "Transform", not "Transfer."
http://en.wikipedia.org/wiki/Extract,_transform,_load has an article that starts with the following.
http://en.wikipedia.org/wiki/Extract,_transform,_load has an article that starts with the following.
Extract, transform and load (ETL) is a process in database usage and especially in data warehousing that involves:
- Extracting data from outside sources
- Transforming it to fit operational needs (which can include quality levels)
- Loading it into the end target (database or data warehouse)
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