Welcome
Client APIs and tools
You can use the HCL Informix® implementation of client APIs to develop applications for Informix database servers.
Informix® OLE DB Provider Guide

HCL Informix® V15.0 documentation
Welcome to the documentation for HCL Informix® 15.0 and related client tools and products.
Product overview
HCL Informix® is a fast and scalable database server that manages traditional relational, object-relational, and dimensional databases. Its small footprint and self-managing capabilities are suited to embedded data-management solutions.
Installing
These topics describe how to install HCL Informix® database servers, client products, and DataBlade® modules.
Administering
In addition to administering the database server, you can tune performance, replicate data, and archive data.
Migrating and upgrading
You can upgrade to the 15.0 release of HCL Informix® or migrate from other database servers to Informix. Upgrading is an in-place migration method that uses your existing hardware and operating system software. Some changes to the Informix database server can affect upgrading from a previous release.
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
- Embedded SQLJ for HCL Informix®
- ESQL/C Guide
- GLS User's Guide
  These topics describe the Global Language Support (GLS) feature available in HCL® Informix® products.
- Informix GLS API
- Informix® Object Interface for C++ Guide
- Informix® ODBC Driver Guide
- Informix .NET Core Provider
  Starting with CSDK 4.50.xC4, Informix .NET Core Provider built with .NET Core SDK/Runtime v3.1 is shipped for Windows x64 and Linux x86_64 platforms.
- Informix® .NET EF Core Provider Guide
- Informix 4GL/SQL
  These topics include information about HCL Informix®4GL and SQL.
- Informix® JDBC Driver Guide
- 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
  - Overview and setup
  - Supported applications
    With the HCL Informix® OLE DB Provider, you can create the ADO, C, and C++ applications.
  - Connect to a data source
    HCL Informix® OLE DB Provider treats the database (rather than the database server instance) as a data source.
  - Cursors
  - Data types
  - Threading support
  - Transaction support
  - Distributed transaction support
    HCL Informix® OLE DB Provider supports distributed transactions coordinated by MS DTC.
  - Identifiers
  - Support for Dynamic Query Extension
    The Dynamic Query Extension feature introduces support for describing input parameters of a prepared statement. This feature is an enhancement of the Dynamic SQL functionality of the server.
  - Support for SQL 99 Joins
    The SQL 99 Joins feature extends support for SQL joins from both within and outside of an escape sequence. This feature requires HCL Informix® server-side support for SQL 99 joins, and only works with HCL Informix Version 9.4 or later.
  - International GLS Locales
    This section offers information and tips about using HCL Informix® OLE DB Provider with Global Language Support (GLS) locales other than the default locale, en_us.1252.
  - Troubleshooting installation, configuration, or operation problems
    This section describes how to resolve problems that you might encounter when installing, configuring, or using HCL Informix® OLE DB Provider.
Embedding Informix®
When you embed HCL Informix®, you can use enterprise-class high-availability and high performance with embeddability features such as easy programmability, a small disk and memory footprint, and silent deployment.
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.
Data warehousing
In addition to designing and implementing Informix® dimensional databases, you can use tools to create data warehouse applications and optimize your data warehouse queries.
Designing databases
The first step in creating a relational database is to construct a data model, which is a precise, complete definition of the data you want to store. After you prepare your data model, you must implement it as a database and tables. To implement your data model, you first select a data type for each column and then you create a database and tables and populate the tables with data. You can also implement fragmentation strategies and control access to your data.
JSON compatibility
You can use the popular JSON-oriented query language created by MongoDB to interact with data stored in HCL Informix®.
Security
You can secure your Informix® database server and the data that is stored in your Informix databases. You can encrypt data, secure connections, control user privileges and access, and audit data security.
SQL programming
You can use the HCL Informix® implementation of the SQL language to develop applications for Informix database servers.
Troubleshooting HCL Informix®
Several troubleshooting techniques, tools, and resources are available for resolving problems that you encounter in your HCL Informix® database server environment.

Informix® OLE DB Provider Guide

This information is intended for

Database administrators who install and configure HCL Informix® database servers, databases, and connectivity products
Developers who write applications with HCL Informix® OLE DB Provider

These topics are written with the assumption that you have the following background:

A working knowledge of your computer, your operating system, and the utilities that your operating system provides
Some experience with Microsoft™ OLE DB
Some experience working with relational databases or exposure to database concepts

To use the HCL Informix® OLE DB Provider, you must run on one of these supported operating systems:

Microsoft™ Windows NT™ Version 4.0 with Service Pack 4 or later
Microsoft™ Windows™ 2003 Server, Microsoft™ Windows™ XP Professional, or Microsoft™ Windows™ Vista

For information about software compatibility, see the Informix® Client SDK release notes.

You can access the Informix® information centers and other technical information such as technotes, white papers, and IBM® Redbooks® publications online at httpwww.ibm.html.

These topics are taken from IBM® Informix® OLE DB Provider Programmer's Guide.