The VFP which is small-medium-sized DBMS is widely used in the data management of the enterprises and public service. Meanwhile it has much chance of being used in the data management which is for the development of the enterprises and public service. The article is mainly for the discussion that the applied method and the difference of the related sentences for the different requests whet1 the data connection and inquiring is being carried out by utilizing the inserted SQC language of VFP