17.00 - Example: Adding a Multicolumn Unnamed UNIQUE Constraint - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Release Date
September 2020
Content Type
Programming Reference
Publication ID
B035-1144-170K
Language
English (United States)

Add an unnamed uniqueness constraint to the columns named column_3 and column_4:

     ALTER TABLE table_1 ADD UNIQUE (column_3, column_4);