periodic group

Computing Dictionary

periodic group definition

database
(PE) Groups of logically related fields which occur multiple times within a group.
Periodic groups are a non-relational technique. An example of a PE would be for storing the history of a person's name changes, where name was kept in logically related fields such as surname, first name and middle name - with the person having changed their name more than once.
[Clarification?]
(1995-10-30)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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