Databases and Tables

Note:

     First, You logon using credentials like apps/apps@VIS   (VIS is database name)
     If You create any tables in the SQL Editor, it will be storing in the VIS Database and referred from user_tables Table.Could be queried by using the Command,
         select table_name from user_tables;
    See clearly, tables You are creating always specific User only. You cannot get access from system/manager@VIS or scott/tiger@VIS