刚接触oracle数据库，现在要实现A、B两个oracle数据库互访，两个数据库分别部署在两台服务器上，有没有类似db2那样通过联邦关系实现？求详细实现步骤：
------解决方法--------------------------------------------------------
create database link linkfwq
connect to fzept identified by neu
using '(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.142.202.12)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = fjept)
)
)';
------解决方法--------------------------------------------------------
用dblink 啊。select * from testa@db_link_name;
------解决方法--------------------------------------------------------
dblink
