-record(employee, {emp_no,
		   name,
		   salary,
		   sex,
		   phone,
		   room_no}).

-record(dept, {id, 
	       name}).

-record(project, {name,
		  number}).


-record(manager, {emp,
		  dept}).

-record(at_dep, {emp,
		 dept_id}).

-record(in_proj, {emp,
		  proj_name}).