Dynamics NAV has System or Virtual tables, which is not visible in Object Explorer. Object ID range starting from 2000000001.. 2000000200 and Object Type as Table. What is Virtual Tables? "A virtual table contains system information. You cannot change the data in virtual tables. You can only read the information. Virtual tables are not stored in the database but are computed by Microsoft Dynamics NAV at run time. Because virtual tables are not stored in the database, you cannot view them directly. To view a virtual table, you must create a list page based on the virtual table." List of Virtual Tables in Dynamics NAV 2016 Object Type Object ID Name Table 2000000001 Object Table 2000000004 Permission Set Table 2000000005 Permission Table 2000000006 Company Table 2000000007 Date Table 2000000009 Session Table 2000000020 Drive Table 2000000022 ...