Nonunique Indexes - Teradata VantageCloud Lake

Lake - Working with SQL
Deployment
VantageCloud
Edition
Lake
Product
Teradata VantageCloud Lake
Release Number
Published
February 2025
ft:locale
en-US
ft:lastEdition
2025-11-21
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jbe1714339405530

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 may also be useful for decision support situations.