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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®.
Informix® extensions and DataBlade® modulesThese topics describe how to use built-in database extensions and separately installed DataBlade® modules.
Database Extensions User's GuideThe Informix® Database Extensions User's Guide explains how to use the database extensions that come with HCL Informix®: Large Object Locator, MQ messaging, binary data types, basic text search, node data type, and SQL packages.
MQ MessagingWebSphere® MQ (WMQ) messaging products provide an infrastructure for distributed, asynchronous communication of data in a distributed, heterogeneous environment. The WMQ message queue allows you to easily exchange information across platforms.
About MQ messagingYou can use either functions or tables to communicate between a database server application and the WebSphere® MQ queue.
Prepare to use MQ messagingBefore you can use MQ messaging, you must install and configure WebSphere® MQ (WMQ) and configure your database server for use with WMQ.
Switch between server-based and client-based messagingIf you are set up to use both server-based and client-based MQ messaging on your database server, you can switch between the two methods of messaging. Server-based messaging is the default method.

Switch between server-based and client-based messaging

If you are set up to use both server-based and client-based MQ messaging on your database server, you can switch between the two methods of messaging. Server-based messaging is the default method.

The commands you use for switching to server-based messaging and switching to client-based messaging, which are described in the subtopics below, differ slightly.

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