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Extending HCL OneDB™Beyond standard relational database objects, HCL OneDB™ can be extended to handle specialized data types, access methods, routines, and other objects. HCL OneDB™ includes many built-in extensions that are fully integrated in the database server. HCL OneDB™ 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 HCL OneDB™.
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 HCL OneDB™ 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 OneDB™ databases.
DataBlade® Developers Kit User's GuideThe HCL OneDB™ DataBlade® Developers Kit Users Guide describes how to use OneDB® DataBlade® Developers Kit (DBDK) tools to develop and package DataBlade® modules.
Create ActiveX value objectsThis section describes how to use the OneDB® DataBlade® Developers Kit (DBDK) to create ActiveX value objects. This section describes the use of C++ to implement opaque type support routines.
Compile client and server projects

Compile client and server projects

Among the code files that BladeSmith generates are the following makefiles and project files:

Table 1. Makefiles and project files generated by BladeSmith
File name	Description
ProjectU.mak	A UNIX™ makefile for UNIX servers generated in the src directory
Project.dsw	A Visual C++ workspace file for both C and C++ server code generated in the src directory
ProjectX.dsp	A Visual C++ project file for Windows™ clients generated in the src\ActiveX directory

When you compile a server project, a Project.bld file is created. When you compile a client project, a ProjectX.dll file is created.

This section describes how to compile both a server project and a client project.