程序连接orarle报ORA-12505错误 一.异常{ ORA-12505, TNS:listener does not currently know of SID given in connect descriptor The Connection descriptor used by the client was: 10.190.121.95:1521:sxzhdb } 二.查询{ ORA-12505:TNS: 监听程序当前无法识别连接描述符中所给出的 SID SID:是一个数据库的唯一标…