What are the best ways to clean up data? Also, what does "data quality" mean in terms of "big data"?

Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter1: Database Systems
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What are the best ways to clean up data? Also, what does "data quality" mean in terms of "big data"?

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