This section provides a brief overview of how Teradata client products support user-defined custom data types known as User-Defined Types (UDTs), and user-defined custom functions known as User-Defined Methods (UDMs).
For more in depth information about using UDTs and UDMs see Teradata Vantage™ - Database Introduction, B035-1091, Teradata Vantage™ - SQL External Routine Programming, B035-1147, and Teradata Vantage™ - SQL Fundamentals, B035-1141.