ORA-12505, TNS:listener does not currently know of SID given in connect desc
出现以上的问题是无法识别SID,解决方法如下: 1.找到以下目录,/opt/oracle/product/10.2.0/db_1/network/admin,修改listener.ora,(find-namelistener.ora即可找到该文件)为: #listener.oraNetworkConfigurationFile:/opt/oracle/product/10.2.0/db_