16.20 - Example: Adding an Unnamed CHECK Constraint - 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

Modify a column by adding an unnamed CHECK constraint. Column column_1 is an existing, already constrained column in table_1.

    ALTER TABLE table_1 MODIFY column_1 CHECK (column_1 IS NOT NULL);