When you need to change the value of an installation location variable, the procedure depends to some extent on the underlying operating system. On UNIX and Windows, the procedure also depends on whether the change requires unloading the database.

You can change the ING_ABFDIR location value without unloading the installation.

The values of the following locations are stored in the configuration file “aaaaaaaa.cnf” of each database at the time it is created and can only be changed by unloading each database, re-installing Ingres and reloading the databases (thus creating a new configuration file):