一、创建
createuser kfwlyq identifiedby kfwlyq;
grantdbato kfwlyq;
grantCREATEPUBLICDATABASELINK,DROPPUBLICDATABASELINKto kfwlyq;
createdatabaselink to_kfwggl
connectto KFWGGL identifiedby KFWGGL
using'(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.111)(PORT = 1521))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = ORCL)
)
)';
说明:
to_kfwggl 创建的名称
KFWGGL 远程数据库的登录用户名
KFWGGL 远程数据库的登录密码
192.168.1.111 数据库的Ip地址
ORCL 远程数据库的服务名 (SERVICENAME)
二,查询
select * from KFWGGL.TB_USER@ to_kfwggl TB_USER表示要查询的远程数据库中的表