17.10 - References to the Table Itself - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - SQL Fundamentals

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1141-171K
Language
English (United States)

FOREIGN KEY references can also be to the same table that contains the FOREIGN KEY.

The referenced columns must be different columns than the FOREIGN KEY, and both the referenced and referencing columns must subscribe to the referential integrity rules.