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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® Module Development OverviewThe HCL Informix® DataBlade® module overview serves as an overview of the HCL Informix® DataBlade® module development process.
DataBlade® module concepts
DataBlade® modules and the database serverThis section describes the overall architecture of the HCL Informix® database server, how DataBlade® modules affect database server processes, and the application programming interfaces you can use in your DataBlade® modules and client applications.
Client objects and programs

Client objects and programs

You can use the following types of client objects and programs with your DataBlade® module applications:

ActiveX value objects: An ActiveX value object encapsulates data retrieved from the HCL Informix® database server about an opaque type and its support routines for use by a client application. The DataBlade Developers Kit generates code for ActiveX value objects. You can use ActiveX value objects in a Microsoft™ Visual Basic program.
Java™ value objects: A Java value object encapsulates data retrieved from the HCL Informix database server about an opaque type and its support routines for use by a client application. The DataBlade Developers Kit generates code for Java value objects.
Client visualization tools: A visualization tool enables you to view and manipulate data retrieved by DataBlade modules with third-party applications.

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