17.00 - UDMs - Teradata Database

Teradata Vantageā„¢ - Data Dictionary

prodname
Advanced SQL Engine
Teradata Database
vrm_release
17.00
created_date
June 2020
category
Administration
Programming Reference
featnum
B035-1092-170K

User-defined methods (UDMs) are defined and stored as a database object. Object attributes are stored in DBC.UDFInfo, and the source code and object code are stored in the database of the user space.

The UDM objects contain:

  • C source code and object code for the user defined method
  • Function call name
  • Name (specific and external)
  • Data types of the parameters
  • Function class
  • Source file language
  • Data accessing characteristic
  • Parameter passing convention
  • Deterministic characteristic
  • Null-call characteristic
  • Execution protection mode
  • Character type
  • Platform type