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Data cleaning is a continuous process that requires corrective actions throughout the data lifecycle. Data cleaning is the process of detecting and correcting corrupt or inaccurate records from a dataset. Data cleaning involves identifying, replacing, modifying, or deleting incomplete, incorrect, inaccurate, inconsistent, irrelevant, and improperly formatted, data. Typically, the process involves updating, correcting, standardizing, and de-duplicating records to create a single view of the data, even if they are stored in multiple disparate systems. SYNONYM. Data cleansing; Data scrubbing