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