17.10 - UNIQUE and PRIMARY INDEX Constraints - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Definition Language Detailed Topics

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1184-171K
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.