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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®.
Data manipulation
Numeric data typesThis section describes these numeric data types and the functions that the DataBlade® API supports to process numeric data.

Numeric data types

This section describes these numeric data types and the functions that the DataBlade® API supports to process numeric data.

The DataBlade API provides support for the following numeric data types.


Numeric data type	DataBlade API numeric data type
Integer data types	mi_sint1, mi_int1, mi_smallint, mi_unsigned_smallint, mi_integer, mi_unsigned_integer, mi_int8, mi_unsigned_int8
Fixed-point data types	mi_decimal, mi_numeric, mi_money
Floating-point data types	mi_decimal, mi_double_precision, mi_real

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