16.20 - UNIQUE and PRIMARY INDEX Constraints - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Detailed Topics

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1184-162K
Language
English (United States)

If a UNIQUE or PRIMARY KEY constraint has been created implicitly as a USI, you can remove it using a DROP INDEX statement that explicitly references the column set on which the constraint is defined.