连接服务器oralce数据库的方法
修改tnsnames.ora文件，如下

ORCL_102.96.17.69=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST =102.96.17.69)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = bpmdb)
)
)