Actian Ingres has a set of available logical names through which you can define various file names and other values. For an alphabetical list of the basic Actian Ingres environment variables, see the appendix “Environment Variables.”

Actian Ingres uses the following types of operating-system dependent environment variables:

Actian Ingres environment variables in Windows and Linux are active only when you are using Actian Ingres. A small subset of these environment variables can be reset in the local environment by the user.