ALTER CONSTRAINT Examples | Teradata Vantage - ALTER CONSTRAINT Examples - Advanced SQL Engine - Teradata Database

Example: Adding a DELETE Security Policy to a Constraint Object

This ALTER CONSTRAINT example adds a DELETE security policy UDF to the classification_level constraint object.

     ALTER CONSTRAINT classification_level
     AS FUNCTION ADD DELETE SYSLIB.deletelevel;

Example: Adding a New Set of Name:Value Pairs to a Constraint Object

This ALTER CONSTRAINT example adds the specified set of name:value pairs to the classification_level constraint object and deletes all of the old name:value pairs.

     ALTER CONSTRAINT classification_level
     AS VALUES (topsecret:4, secret:3, confidential:2, unclassified:1);