1 利用host:port/sid的方式
create database link dblink_scott connect to scott identified by “tiger” using ‘10.5.89.163:1521/orajrck’;
2 第二种方式
create database link dblink_120 connect to zhan identified by “zhan”
using '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.50.120)(PORT = 1521)))
(CONNECT_DATA =(SERVICE_NAME = bond)))’;
3 利用tns的方式
在服务端添加tns,注意是目标库服务端的tnsnames.ora下面添加。
db_120 =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.50.120)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = bond)))
再创建dblink:create database link dblink_120 connect to zhan identified by “zhan” using ‘db_120’;
4 使用
select * from scott.表名@dblink_scott;
5 删除
drop database link dblink_scott;
dblink的创建和使用
最新推荐文章于 2023-09-04 19:00:00 发布