Are the tables located in a place where the users have access? If yes, then your data isn't very well protected as any user can view the data with NotePad.

>I started to try the database procedures
>
>I create a .dbc add added all my tables to it
>
>Inside the method beforepentables of dbc, I wrote:
>
>= messagebox ("opening table")
>
>But I just go to command windows and write "use CL" and no message is displayed