Definition - Teradata Vantage NewSQL Engine - 16.20

Teradata Vantageā„¢ Data Types and Literals

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
Programming Reference
featnum
B035-1143-162K

A uniqueness constraint means the table cannot include two or more rows in which the values for the column or set of columns are identical.

Teradata Database supports the following uniqueness constraints:

  • PRIMARY KEY
  • UNIQUE