Complex cleansing. In this data, verification is done by a computer program according to a set of rules and procedures provided by the user. Misspelled words are corrected and the data which has not been updated since last five years are deleted. Even the missing city in the database can be filled by a more complex program. This is based on postal pin code and changes in currency types on pricing.
Data cleansing is required for creating efficiency of data related businesses. If the database is not updated or not correct, there is no use of contracting clients by the way of phone numbers given in the databases or sending regular emails saved to the addresses thereon. Further, it ensures that there is always consistent and correct data available in the databases.
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