Oracle连接失败,ORA-12514, TNS:listener does not currently know of service requested in connect descripto
数据库,安装后启动,使用Dbeaver连接时无法连接,报错:Listenerrefusedtheconnectionwiththefollowingerror:ORA-12514,TNS:listenerdoesnotcurrentlyknowofservicerequestedinconnectdescriptorListenerrefusedthecon