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Extending Informix®Beyond standard relational database objects, HCL Informix® can be extended to handle specialized data types, access methods, routines, and other objects. Informix® includes many built-in extensions that are fully integrated in the database server. Informix® also provides DataBlade® modules, which are packages of extended database objects for a particular purpose and that are installed separately from the database server. Alternatively, you can create your own user-defined objects for Informix®.
Creating extensionsYou 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.
DataBlade® Developers KitThe DataBlade® Developers Kit (DBDK) guides contain information about the tools you can use to develop and package DataBlade® modules, which extend the functionality of HCL Informix® databases.
DataBlade® Developers Kit User's GuideThe HCL Informix® DataBlade® Developers Kit User's Guide describes how to use tools to develop and package DataBlade® modules.
Getting started with DataBlade® module developmentThis section provides an overview of DataBlade® module development and describes the resources and tools the HCL Informix® database server provides to facilitate development.
Prepare to develop DataBlade® modulesThis section suggests how to prepare for developing DataBlade® modules. This overview is intended to act as a map for information resources.
Become familiar with HCL Informix® software and documentationFamiliarizing yourself with HCL Informix® software and documentation is critical for first-time DataBlade® developers. However, it is important for experienced DataBlade® developers too, because HCL Informix® software and documentation are enhanced in each release.
Create a practice DataBlade® moduleTo familiarize yourself with the entire development process, create a simple practice DataBlade® module containing an easily implemented object, such as a user-defined routine that takes built-in data types as arguments.

Create a practice DataBlade module

To familiarize yourself with the entire development process, create a simple practice DataBlade® module containing an easily implemented object, such as a user-defined routine that takes built-in data types as arguments.

Be sure to write the code, test it, and debug it. Completing a simple DataBlade module helps you create a realistic estimate of the length of your development cycle.

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