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2 June, 03:41

What does it mean to cleanse data before it is stored in a data warehouse?

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  1. 2 June, 05:58
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    Data cleansing or data cleaning is the process of detecting and correcting corrupt or inaccurate records from a record set, table, or database and refers to identifying incomplete, incorrect, inaccurate or irrelevant parts of the data and then replacing, modifying, or deleting the dirty or coarse data. Data cleansing is typically done before data is sent to a data warehouse.
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