IBM DB2 LUW
- The DB2DIR environment variable must define the DB2®             software installation path.
 
- The PATH environment variable must define the access path to database
client programs.
 
- On UNIX™, LD_LIBRARY_PATH
(or equivalent) must hold the             path to 
$DB2DIR/lib. 
- The DB2 client library 
              
'DB2DIR/lib/libdb2*' must be available. 
- The remote server node and the remote database must be declared
locally with the CATALOG db2             command.
 
- Make sure the database client locale is properly
defined.
 
- You can make a connection test with the IBM®
db2 command line tool.