Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024UGC NET CS 2018-DEC Paper-2
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Question 42
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Data Scrubbing is
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A process to upgrade the quality of data after it is moved into a data warehouse
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A process to upgrade the quality of data before it is moved into a data warehouse
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A process to lead the data in the warehouse and to create the necessary indexes.
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A process to reject data from the data warehouse and to create necessary indexes.
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Question 42 Explanation:
Data scrubbing which is also called data cleaning, is the process of amending or removing data in a database that is incorrect, incomplete, improperly formatted, or duplicated.
It is the process carried out before the data is moved into a data warehouse.
It is the process carried out before the data is moved into a data warehouse.
Correct Answer: B
Question 42 Explanation:
Data scrubbing which is also called data cleaning, is the process of amending or removing data in a database that is incorrect, incomplete, improperly formatted, or duplicated.
It is the process carried out before the data is moved into a data warehouse.
It is the process carried out before the data is moved into a data warehouse.