位置：D:\app\product\11.2.0\dbhome_1\network\admin\tnsnames.ora（根据安装位置具体情况而定）
zx_U=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.102.73)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = ZBBKpdb)
)
)