Oralce服务器 Plsql不能选择数据库示例问题

#服务器
D:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN


#client
D:\app\Administrator\product\11.2.0\client_1\network\admin\tnsnames.ora




RESTAURANT =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = GitServer)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = RESTAURANT)
    )
  )


restaurantdatabase=
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.5.232)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = RESTAURANT)
    )
)