This environment variable only applies to Microsoft Windows.
The compiler uses this environment variable to locate all of the MaxDB-internal include files.
The following entries must be listed here:
%DBROOT%\incl
%TOOL%\incl
%OWN%\sys\wrk\incl
%OWN%\sys\wrk\incl\SAPDB
This environment variable is set by the initialization script initDev_MaxDB(.bat) (Environment Variables).