创建DBlink

创建DBlink到cms

create public database link CMS
  connect to cmsxb identified by sph
  using '(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.3)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = cmsxb)
    )
  )';

select * from pub_emp@cms