Pre-Requisites for Connections to Informix Basic DBMS & DBMS Version Support Do OpenLink drivers connect to Informix? Informix version support Detecting the Informix DBMS version Database Native Client Requirements Understanding the Informix native client When do I need the Informix native client? Obtain the Informix native client (also known as "Informix Connect", "Informix-Net", and "I-Net") Configure the Informix native client Key Database Native Variables (Set Before OpenLink Install) INFORMIXDIR INFORMIXSERVER Database Native Settings You Need to Know Identify the Informix instance name Identify the Informix startup mode (i.e., sockets or shared memory) Identify the Informix tcp service name Identify the Informix tcp port number Identify the Informix database server hostname or IP address Identify the Informix database name Database Configuration for Unicode Unicode Configuration Database Configuration for XA Support XA Configuration