The most popular method being double data entry where two different data entry operators enter the data in the system independently and both the entries are compared by the system. In case the entry of a value conflicts, system alerts and a verification can be done manually.
Double data entry, also known as dual entry, is a method for ensuring data accuracy by having two individuals enter the same information independently. The system then compares the entries to identify discrepancies and alerts the user if any conflicts are found.