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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.
Embedded SQLJ for HCL Informix®
The Informix® Embedded SQLJ User's Guide contains information about using Informix Embedded SQLJ.
Appendix
This section contains additional reference information.
Embedded SQLJ and database connections
Database URLs

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.
  - Introduction to HCL Informix® embedded SQLJ
  - Preparation to use embedded SQLJ
  - Fundamentals of embedded SQLJ programs
  - The embedded SQLJ language
  - Embedded SQLJ source code processing
  - Appendix
    This section contains additional reference information.
    - Embedded SQLJ and database connections
      - The ConnectionManager class
      - Database URLs
      - Nondefault connection contexts
      - MultiConnect.sqlj sample program
        The sample program MultiConnect.sqlj creates two databases with one table each, Orders and Items, and inserts two records in the Orders table and corresponding records in the Items table. The program prints the order line items for all the orders from both tables, which exist in different databases, by creating separate connection contexts for each database.
    - Descriptions of sample programs included with HCL 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 4GL
  This topic provides a link to the documentation.
- 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.

Database URLs

The DBURL data member of the ConnectionManager class and the value for the -url option that you specify for online checking are database URLs. (For information about online checking, see Online checking.) Database URLs specify the subprotocol (the database connectivity mechanism), the database or server identifier, and a list of properties.

Your Embedded SQLJ program uses Informix® JDBC Driver to connect to the Informix® database.