The architecture of xBase application enables the usage of many RDD drivers simultaneously. It means that an application may have DBF and Mediator tables open at the same time. This fact is used by our tools which transfer the data from DBF to SQL.
USE clients SHARED VIA "DBFNTX" && opening of the table clients.dbf
USE goods SHARED NEW VIA "MEDNTX" && opening of the table goods from SQL server