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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.
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.
Connect to the database
Dynamically reading the Informix® sqlhosts file
Utilities to update the LDAP server with sqlhosts data
The SqlhUpload utility
This utility loads the sqlhosts entries from a flat ASCII file to the LDAP server in the prescribed format.

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.
- 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.
  - Getting started
  - Connect to the database
    - Load HCL Informix® JDBC Driver
    - A DataSource object
    - The DriverManager.getConnection() method
    - Informix® environment variables with the Informix® JDBC Driver
    - Dynamically reading the Informix® sqlhosts file
      - Connection property syntax
      - Administration requirements
      - Utilities to update the LDAP server with sqlhosts data
        The SqlhUpload utility
        This utility loads the sqlhosts entries from a flat ASCII file to the LDAP server in the prescribed format.
        The SqlhDelete utility
    - Connections to the servers of a high-availability cluster
      Using the JDBC driver, Java™ applications can connect to HCL Informix® database servers in a high-availability cluster. Java applications can also connect to HCL Informix Connection Managers, which can handle failover for high-availability clusters and redirect connections to cluster servers.
    - An HTTP proxy server
    - Other multitier solutions
    - Encryption options
    - Using single sign-on access control with the Informix® JDBC Driver
    - PAM authentication method
    - Close the connection
  - Perform database operations
  - Work with Informix® types
  - Work with opaque types
  - Globalization and date formats
  - Push data feature
  - Tuning and troubleshooting
  - Appendixes
- 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.

The SqlhUpload utility

This utility loads the sqlhosts entries from a flat ASCII file to the LDAP server in the prescribed format.

Note: The SqlhUpload utility is not supported starting 4.50.JC10 .

Enter the following command:

java SqlhUpload sqlhfile.txt host-name:port-number [sqlhostsRdn]

The parameters have the following meanings:

The sqlhosts file to be uploaded is sqlhfile.txt.
The host name and port number of the LDAP server is host-name:port-number.
The RDN (relative distinguished name) of the sqlhosts node under the HCL Informix® base in LDAP is sqlhostsRdn. The default name is sqlhosts.

The utility prompts for other required information, such as the Informix® base distinguished name (DN) in the LDAP server, the LDAP user, and the password.

You must convert the servicename field in the sqlhosts file to a string that represents an integer (the port number), because the Java™.Socket class cannot accept an alphanumeric servicename value for the port number. For more information about the servicename field, see the Informix® Administrator's Guide for your database server.