Example: Attempting to Drop a Nonexistent Constraint - Advanced SQL Engine - Teradata Database

SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2021-01-23
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dita:id
B035-1144
lifecycle
previous
Product Category
Teradata Vantage™

The following request is not valid because the specified constraint does not exist and, therefore, cannot be dropped.

    ALTER TABLE table_1 DROP CONSTRAINT no_such_constr;

The system returns the following message:

The specified constraint name does not exist in table.