Data Warehousing with ORDBMS, Parallel and Distributed System – Part 6

THE ETL (EXTRACT TRANSFORMATION LOAD) PROCESS This section explains the 4 main processes of the data warehouse. They are extract (data from operating systems as well as transferred to the data warehouse), transform (data in internal format as well as organization of the data warehouse) as well as cleanse (to ensure quality of use sufficient for decision making) as well…