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You used the IMMEDIATE option to shut down your database instance. Consider the steps that may occur when a database instance is started and database is opened:
1: SGA is allocated.
2: Control file is read.
3: Redo log files are opened.
4: Instance recovery is started.
5: Background processes are started.
6: Data file headers 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, 5, 7, 2, 3, 6; step 4 is not required
C.7, 1, 5, 2, 3, 6; step 4 is not required
D.1, 2, 3, 5, 6, 4; step 7 is not required

052-123

原文:http://www.cnblogs.com/Babylon/p/8028624.html

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