This appendix provides information on User‑Defined‑Types (UDTs) and User‑Defined‑Methods (UDMs): User‑Defined‑Types and User‑Defined‑Methods User‑Defined‑Methods (UDMs) Creating UDTs with Teradata TPump Inserting and Retrieving UDTs with Client Products External Types Inserting UDTs with Teradata TPump Retrieving UDTs with Teradata TPump Retrieving UDT Metadata with Teradata TPump