单项选择题
You have issued a SHUTDOWN ABORT command to bring down your database instance. Considerthe steps that will be performed later when you open the database:
1:SGA is allocated.
2:Control file is read.
3:Redo log files are read.
4:Instance recovery is started.
5:Background processes are started.
6:Data files are checked for consistency.
7:Server parameter file or the initialization parameter file is read. Which option has the correct order in which these steps occur()
A.7,1,5,2,3,6,4
B.1,2,3,7,5,6,4
C.7,1,4,5,2,3,6
D.1,7,5,4,2,3,6