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Client APIs and toolsYou can use the HCL Informix® implementation of client APIs to develop applications for Informix® database servers.
Informix® ODBC Driver GuideThe 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.
Configure data sourcesThese topics explain how to configure a data source (DSN) on UNIX™ and Windows™ for Informix® ODBC Driver.
Configure a DSN on UNIX™The configuration files provide information, such as driver attributes, that the driver uses to connect to DSNs.
The odbc.ini fileThe odbc.ini file is a sample data-source configuration information file.
ODBC Data SourcesEach entry in the ODBC Data Sources section lists a DSN and the driver name.

ODBC Data Sources

Each entry in the ODBC Data Sources section lists a DSN and the driver name.

The data_source_name value is any name that you choose. It is like an envelope that contains all relevant connection information about the DSN.

The following example illustrates an ODBC data-source format:

[ODBC Data Sources] 
data_source_name=HCL Informix ODBC DRIVER

The following example defines two DSNs called EmpInfo and CustInfo:

[ODBC Data Sources] 
EmpInfo=HCL Informix ODBC DRIVER 
CustInfo=HCL Informix ODBC DRIVER

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