User-defined functions

This section introduces the user-defined functions support. Review this section to learn about the key concepts and definitions, and learn about the benefits, prerequisites, and important information.

Throughout these topics, the term UDX is a generic reference to user-defined functions of any kind, including user-defined functions, aggregates, or shared libraries. The term is also used in code or commands that operate on these user-defined object types, such as nzudxcompile.