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Data loading

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The loading of the data in a warehouse is one of the most important process in developing a business intelligent software. In the staging area after the data has been extracted from the source system and transformed according to the target system the next step comes is to load the data in the warehouse.

There are three common techniques for data loading: 1. Full data refresh. 2. Incremental Load / refresh. 3. Trickle Feed.


Full Data Refresh:

In full data refresh, the target system(table) is a)