Dataguard还原测试故障ORA-10458
主机备份拷贝到备机上进行Rman 还原，完成后用standy controlfile替换。SQL*Plus: Release 12.2.0.1.0 Production on Fri May 15 11:06:00 2020Copyright (c) 1982, 2016, Oracle. All rights reserved.Connected to an idle instance.SQL> startup nomount;ORACLE instance started.To
