create database link 并比较两个数据库中不同的表名称

create database link dbser_link
      connect to huike identified by huike
      using '(DESCRIPTION =
       (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = 10.22.1.248)(PORT = 1521))
       )
       (CONNECT_DATA =
        (SERVICE_NAME = orcl)
       )
      )';
 

select t.table_name from user_tables@DBSER_LINK  t where t.table_name not in (select tt.table_name from user_tables tt)