15.10 - UNIQUE - Teradata Database

Teradata Database SQL Data Definition Language Syntax and Examples

Product
Teradata Database
Release Number
15.10
Published
December 2015
Language
English (United States)
Last Update
2018-06-05
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No two rows in the table can have the same field values. A unique primary or secondary index is used to enforce this constraint.

You cannot specify a UNIQUE constraint for a QITS column. See “QITS_column_name” description.