16.20 - Example: Attempting to Modify a Nonexistent 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

The following request is not valid because the constraint named no_such_constr does not exist in table_1. You cannot modify or drop it.

    ALTER TABLE table_1
      MODIFY CONSTRAINT no_such_constr
      CHECK (column_1 > 0);