tnsnames.ora有这么几种配置方式: 1、以实例名SID连接 172.18.1.119= (DESCRIPTION= (ADDRESS=(PROTOCOL=tcp)(HOST=172.18.1.119)(PORT=1521)) (CONNECT_DATA= (SID=orcl) ) ) 172.18.1.192= (DESCRIPTION= (ADDRESS=(PROTOCOL=tcp)(HOST=172.18.1.192)(PORT=1521)) (CONNECT_DATA= (SERVIC…