16.20 - Example: Adding a Named UNIQUE Constraint to a Table - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Syntax and Examples

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Published
March 2019
Content Type
Programming Reference
Publication ID
B035-1144-162K
Language
English (United States)
Last Update
2019-05-24

Constraint name unique_1 must not be an existing constraint name in table_1.

ALTER TABLE table_1 ADD CONSTRAINT unique_1 UNIQUE (column_1, column_2);