客户端配置文件tnsname.ora

ARP2 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 182.168.1.173)(PORT = 1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 182.168.1.174)(PORT = 1521))
      (LOAD_BALANCE = yes)
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = arp2.zdyf.com)
    )
  )
ARPDB2 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = zdyf-kf-pc)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = arpdb2)
    )
  )
ORCL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = zdyf-kf-pc)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl)
    )
  )