客户端创建dblik
create public database link [link_name] connect to {username} identified by "{password}"
using ‘(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.10.0.1)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = orcl)))‘
导出数据
expdp {username}/{password} directory=backup2 network_link=[link_name] dumpfile=ydm_20181119_2.dmp logfile=ydm_20181119_2.log EXCLUDE=STATISTICS
原文：https://www.cnblogs.com/sweet22353/p/9984585.html