16.10 - Nonunique Indexes - Teradata Database

Teradata Database SQL Fundamentals

Product
Teradata Database
Release Number
16.10
Published
June 2017
Language
English (United States)
Last Update
2018-04-25
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A nonunique index does not require its values to be unique. There are occasions when a nonunique index is the best choice as the primary index for a table.

NUSIs are also very useful for many decision support situations.