Upon starting your database, you receive the following error:<br /> <img src="https://nimg.ppkao.com/2018-08/yuanhao/201808020854019371.jpg?sign=d56002e23af479e1b94b75c674a39437&t=62d0cbc2" /><br /> You can choose from the following steps:<br /> 1.Restore the database datafiles.<br /> 2.Issue the alter database clear unarchived logfile group 1 command.<br /> 3.Issue the alter database open command.<br /> 4.Issue the alter database open resetlogs command.<br /> 5.Recover the database using point-in-time recovery.<br /> 6.Issue the Startup Mount command to mount the database.<br /> 7.Back up the database.<br /> Which is the correct order of these steps in this case?()
A、1,6,5,4,7
B、6,5,4
C、6,2,3,7
D、1,6,3
E、The database cannot be recovered