UDTs and UDMs
This section provides a brief overview of how Teradata Database client products support user‑defined custom data types known as UDTs and user‑defined custom functions known as UDMs.
For more in depth information on UDTs and UDMs, see Introduction to Teradata (B035‑1091), SQL External Routine Programming (B035‑1147), and SQL Fundamentals (B035‑1141).