periodic group
<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?]
Last updated: 1995年10月30日
Nearby terms:
period ♦ periodic group ♦ peripheral ♦ Peripheral Component Interconnect
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