>My table survey.dbf have fields: course and state
>
>I need to see the result of the survey
>
>I start by using the course name and state as below:
>
> count for course = "refrigeration" and state = "SP"
> count for course = "refrigeration" and state = "PR"
>
>But as I have many states, and not sure if all states exist, I would like to have a command that group all states,
>so I do not need to worry about states
>
>T.I.A
>
>Moises

I am not sure what you want.
Could you post some example data and what you want from it?