Organizations that rely on large amounts of data are increasingly employing data cleansing techniques to ensure accuracy and efficiency by scrubbing data that have been polluted at the source or on its way to a data warehouse. While experts agree that this is an emerging trend among data warehouse users, they say most businesses are not paying enough attention to the problems inherent in having impure data. Often, businesses operate with the assumption that their decisions are based on credible information, but many times this is not the case, experts say. It is not until businesses try to use the data that they realize the fallacies within their information warehouses.
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