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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
Date and time data typesThis section describes the date and time data types and the functions that the DataBlade® API supports to process date and time data.
Date-time or interval dataThe DataBlade® API provides support for date-time or interval data in both text and binary representations.
Conversion of date-time or interval representationsBoth the DataBlade® API library and the Informix® ESQL/C library provide functions that convert from the text (string) representation of a date, time, or interval value to the binary (internal) representation for DATETIME or INTERVAL.

Conversion of date-time or interval representations

Both the DataBlade® API library and the Informix® ESQL/C library provide functions that convert from the text (string) representation of a date, time, or interval value to the binary (internal) representation for DATETIME or INTERVAL.

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