navicat 连接Oracle 报错 ORA-12514 TNS:listener does not currently know of service requested in connect descriptor 原因:服务名错了 修改服务名为 你的服务名 参考链接：http://stackoverflow.com/questions/10786782/ora-12514-tnslistener-does-not-currently-know-of-service-requested-in-connect-d
