Extending the database server frequently requires that you create UDRs to support the extensions. A routine is a collection of program statements that perform a particular task. A UDR is a routine that you create that can be invoked in an SQL statement, by the database server, or from another UDR.
The next three chapters in this manual discuss the basic aspects of the creation and use of UDRs:
The Informix database server supports UDRs in the following languages: