dataguard real-time redo apply 명령어

- 이상해서 찾아봤는데 Dataguard Real-time Redo Apply 명령어가 바뀜..한참 되었네..

  근데 옛날꺼랑 반대라 헷갈림..사용할수는 있으나 using current logfile 은 deprecated 됨...

	Oracle 11.2 까지	Oracle 12.1 부터
Non Real-time Redo Apply (Dataguard)	alter database mount; alter database recover managed standby database disconnect;	alter database mount; alter database recover managed standby database using archived logfile disconnect;
Real-time Redo Apply (Active Dataguard)	alter database open; alter database recover managed standby database using current logfile disconnect;	alter database open; alter database recover managed standby database disconnect;