Removing duplicate records from a database. For instance, J Bloggs, John Bloggs, Mr J R Bloggs all at the same address may be the same person. It is part of the process of cleaning and integrating data before loading it into a data warehouse. It is also essential if the customer is to be treated as an individual.

An electronic process where two or more records are compared and if same duplication is removed

The identification and removal of duplicate names and addresses from a database.

A process to remove duplicates from a file or from a group of files.

The process of removing identical entries from two or more data sets such as mailing lists. AKA merge/purge.

Identifying and removing duplicate entries in a database. Commonly undertaken when merging mailing lists from different sources, ensuring that only one mailing piece goes to an individual.

Large databases regularly contain duplicate copies of a prospects name and address. Market Makers have a computerised list matching system to ensure that only one record per prospect is listed. This reduces campaign costs and ensures your prospects are not irritated by receiving duplicate calls or mailings.

A method for processing alarms designed to filter out redundant notifications and reduce the volume of alarms the administrator receives. De-duplication focuses on the premise that the biggest part of the problem for any device is the many, many repeat notifications of a single problem. Deduplication recognizes that a single device generated 200 alarms, but that they were all for the same problem.