oracle10g客户端能连11g么

Answer 1

oracle 11g 客户端可以连接oracle 10g数据库。
无需设置任何东西，只要配置连接文件即可：
ora11 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = xxx.xxx.xxx.xxx)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)