>Working with Remote Desktop I want to know if I can know who is using the table.
To determine this programmatically within a VFP program, you can use ADSI. Erik Moore had an article about this in Advisor (http://web3.advisor.com/doc/04913).
Interactively, you can connect to the server using the "Computer > Manage > Connect to another machine". The expand the Shares node which lists all current connections to a file.