Posted On: Feb 22, 2018
The following operations are used in ETL systems concentrates the information from your transnational framework, which can be an Oracle, Microsoft, or some other social database, Transforms the information by performing information purifying tasks. A heap is a procedure of composing the information into the objective database.
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The typical three-level hierarchy of an ETL cycle is composed of the following:..
In ETL, the initial load is the procedure for populating all information warehousing tables for the absolute first time...