You cannot specify REFERENCES constraints for Identity columns.
For additional information about REFERENCES constraints, see:
- “ALTER TABLE” and “CREATE TABLE” in Teradata Vantage™ - SQL Data Definition Language Syntax and Examples, B035-1144
- “Referential Integrity” in Teradata Vantage™ - SQL Fundamentals, B035-1141
- “Constraint Specifications” in Teradata Vantage™ - Database Design, B035-1094.