常用命令
create database link link_name
connect to username identified by password
using ‘(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.10.13.178)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = rzzqnew)
)
)’;
原文：https://www.cnblogs.com/leolzi/p/14607281.html