what is the use of Data scrubbing?

Options
- reject data from the data warehouse and to create the necessary indexes
- load the data in the data warehouse and to create the necessary indexes
- upgrade the quality of data after it is moved into a data warehouse
- upgrade the quality of data before it is moved into a data warehouse

CORRECT ANSWER : upgrade the quality of data before it is moved into a data warehouse

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Data scrubbing

Data scrubbing, also called data cleansing, is the process of amending or removing data in a database that is incorrect, incomplete, improperly formatted, or duplicated. It upgrades the quality of data before it is moved into a data warehouse.

Prajakta Pandit 03-16-2017 01:13 AM

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