Global Language Support (GLS) permits you to use different locales. A GLS locale is an environment that has defined conventions for a particular language or culture.
By default, IBM Informix products use the U.S.-English ASCII code set and perform in the U.S.-English environment with ASCII collation order. Set your environment to accommodate a nondefault locale if you plan to use any of the following functionalities:
For descriptions of GLS environment variables and for detailed information on how to implement non-U.S. English environments, see the IBM Informix: GLS User's Guide.