Oracle # 创建数据库链接（dblink）

语法：

create database link 链接名称
connect to 账号 identified by 密码
using ' (DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = IP地址)(PORT = 1521)))(CONNECT_DATA =(SID = orcl)))';

create database link 链接名称
connect to 账号 identified by 密码
using ' (DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = IP地址)(PORT = 1521)))(CONNECT_DATA =(SERVICE_NAME = orcl)))';

将一些配置信息修改成为自己的。