Creating extensions

You can create user-defined data types, routines, access methods, and other database objects to suit your needs. You can use application programming interfaces to write user-defined routines and applications that access data in Informix® databases.

Tutorial

• DataBlade Developers Kit Tutorial
  Provides a set of exercises that demonstrate how to create extensions to HCL Informix and package them as DataBlade modules by using the Informix DataBlade Developers Kit (DBDK).

External resources

• Take a beginner's tour of the Informix virtual table interface with shared libraries (IBM® developerWorks®)
  This tutorial shows how to create an access method that implements VTI purpose functions and how to create additional user-defined routines (UDRs) as necessary to access an external data source.
• Cut out the middle-man: Use Informix Dynamic Server with J/Foundation to host a Java™ application service (IBM developerWorks)
  This article describes how to create a Java UDR that can host a Java application service, such as an HTTP server, directly from within the data server.

Main resources