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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® API Programmer's GuideThe Informix® DataBlade® API Programmer's Guide describes information about the DataBlade® API, the C-language application programming interface (API) provided with HCL Informix®.
DataBlade® API overview
The DataBlade® APIThe HCL Informix® DataBlade® API is the application programming interface (API) for HCL Informix®. You can use DataBlade® API functions in DataBlade® modules to access data stored in the Informix® database.
DataBlade® API componentsThe DataBlade® API contains the header files, public data type structures, and pubic functions for the development of DataBlade® API modules.
Regular public functionsThe DataBlade® API provides support for the functions in a DataBlade® API module.

Regular public functions

The DataBlade® API provides support for the functions in a DataBlade API module.

The following functions are supported:

DataBlade API functions that provide access to the database server.
Informix® ESQL/C functions that provide operations on certain data types.
functions that provide the ability to internationalize your DataBlade API module.

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