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Ques. Data scrubbing is which of the following?

Option 1. A process to upgrade the quality of data before it is moved into a data warehouse

Option 2. A process to load the data in the data warehouse and to create the necessary indexes

Option 3. A process to upgrade the quality of data after it is moved into a data warehouse

Option 4. A process to reject data from the data warehouse and to create the necessary indexes

Ans. Option 1

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