New and changed features in Informix servers

Each version of the Informix® database server contains new features, and new and changed environment variables, configuration parameters, SQL reserved words, system catalogs, and system databases. Some of these changes might affect your applications.

Descriptions of the new, changed, and discontinued features for each version of Informix are available on the web:

• Informix 12.10 What’s new
• Informix 11.70 http://www.ibm.com/support/knowledgecenter/SSGU8G_11.70.0/com.ibm.po.doc/new_features.htm
• Informix 11.50 http://www.ibm.com/support/knowledgecenter/SSGU8G_11.50.0/com.ibm.po.doc/new_features.htm
• Informix 11.10 http://www.ibm.com/support/knowledgecenter/SSGU8G_11.50.0/com.ibm.gsg.doc/ids_gsg_167.htm
• Informix 10.00 and earlier, see the release notes that can be downloaded from http://www.ibm.com/support/docview.wss?uid=swg27040460

Specific changes that were made from release to release are listed in the following topics.