创建database link
基本语法
CREATE [ SHARED ][ PUBLIC ] database link link_name
[ CONNECT TO user IDENTIFIED BY password ]
[ AUTHENTICATED BY user IDENTIFIED BY password ]
[ USING ‘ connect_string ‘ ]
例子:
create database link DL
connect to username identified by password
using ‘191.168.1.105:1521/ORCL‘;
使用方法:
select * from road@DL t
原文:http://www.cnblogs.com/weiweiqingfeng/p/3904514.html