This box at the top is labeled "root" and contains a box labeled "Database Metadata Only." It contains boxes labeled "OBJ$," "TAB$," and "SOURCE$." The box on the bottom is labeled "PDB." It contains boxes "User Metadata Only" and "User Data." The "User Metadata Only" box contains the tables "OBJ$," "TAB$," and "SOURCE$." The top row of OBJ$ points to the top row of OBJ$ in the Database Metadata Only box. The User Data box contains the employees and departments tables.