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Client APIs and tools
You can use the HCL Informix® implementation of client APIs to develop applications for Informix database servers.
API
The Informix® GLS API Programmer's Guide describes the global language support (GLS) application programming interface (API) available in Informix ESQL/C and HCL Informix DataBlade® modules.
Using Informix® GLS
The library enables a program to access the culture-specific information in the GLS locales that Informix® provides.
Internationalized programs with Informix® GLS
You can make HCL Informix® database applications easily adaptable to any culture and language.

Client APIs and tools
You can use the HCL Informix® implementation of client APIs to develop applications for Informix database servers.
- Change Data Capture API Programmer's Guide
  The Informix® Change Data Capture API Programmer's Guide describes how to program applications to process changed data from HCL Informix databases using the Informix Change Data Capture API.
- Embedded SQLJ for HCL Informix®
  The Informix® Embedded SQLJ User's Guide contains information about using Informix Embedded SQLJ.
- ESQL/C Guide
  The Informix® ESQL/C Programmer's Manual explains how to use Informix ESQL/C, the Informix implementation of Embedded Structured Query Language (SQL) for C (ESQL/C), to create client applications with database-management capabilities.
- GLS User's Guide
  The Informix® GLS User's Guide describes the Global Language Support (GLS) feature available in Informix products.
- API
  The Informix® GLS API Programmer's Guide describes the global language support (GLS) application programming interface (API) available in Informix ESQL/C and HCL Informix DataBlade® modules.
  - Using Informix® GLS
    The library enables a program to access the culture-specific information in the GLS locales that Informix® provides.
    - Internationalized programs with Informix® GLS
      You can make HCL Informix® database applications easily adaptable to any culture and language.
      - What is ?
        is an application programming interface (API) for DataBlade® module developers and ESQL/C programmers.
      - compatibility
        The library is compatible with most Informix® products.
      - Choose a GLS Locale
        The locale is a set of Informix® files that bring together information about data that is specific to a particular culture, language, or territory.
    - Using Informix® GLS in a C-language program
    - Improve program performance
  - Character processing
    These topics describe the character-processing capabilities of the library.
  - Data formatting
    You must handle the format of locale-specific data in your applications.
  - Informix® GLS functions
    These topics describe the functions that the library provides. First is a summary of functions by categories. The rest of the topics provide reference information about the public functions, in alphabetical order.
  - Appendix
- Informix® Object Interface for C++ Guide
  The Informix® Object Interface for C++ Programmer's Guide describes how to develop HCL Informix client applications by using the object-oriented C++ programming language.
- Informix® ODBC Driver Guide
  The Informix® ODBC Driver Programmer's Manual serves as a user guide and reference for Informix ODBC Driver, which is the Informix implementation of the Microsoft™ Open Database Connectivity (ODBC) interface, Version 3.0.
- .NET provider options
  The Data Server Provider for .NET DB2® provider option is the preferred Informix® provider for developing new applications.
- Informix® JDBC Driver Guide
  The Informix® JDBC Driver Programmer's Guide describes how to install, load, and use Informix JDBC Driver to connect to the Informix database from within a Java™ application or applet.
- Informix International Language Supplement (ILS) User Guide
  These topics include information about the translated user interface files for Informix® UNIX™ products, locales, and code set conversion tables
- Informix® OLE DB Provider Guide
  The Informix® OLE DB Provider Programmer's Guide describes the software requirements for using Informix OLE DB Provider, show how to install and configure the provider for your use, and explain how to use Informix OLE DB Provider to enable client applications, such as ActiveX Data Object (ADO) applications and web pages, to access data on the Informix server.

Internationalized programs with Informix® GLS

You can make HCL Informix® database applications easily adaptable to any culture and language.

Design the application so that the tasks in the following table do not make any assumptions about the language, territory, and code set that the application uses at run time. The data in a database that the application accesses should already be in a language that the end user can understand.

Table 1. Tasks for a database application
Application task	Description
User interfaces	Includes any text that is visible to end users, including menus, buttons, prompts, help text, status messages, error messages, and graphics. Includes translating the character strings in any external resource or message files that the application uses.
Character processing	Includes the following processing tasks: Character classification Character case conversion Collation and sorting Character versus byte processing String traversal Code-set conversion
Data formatting	Includes any culture-specific formats for the following types of data: Numeric Monetary Date Time
Documentation	Includes any explanatory material such as printed manuals, online documentation, and readme files.

An internationalized program dynamically obtains language-specific information for these application tasks. Therefore, one executable file for the application can support multiple languages.