Oracle OCP 042题库解析(4)

ITAA-OCM · 发表于 2012-2-2 15:39:22

4. Which three statements are true about the stages of database startup? (Choose three.)

A) Data files and redo log files can be renamed at the MOUNT stage.

B) Control files are read at the OPEN stage for the location of data files.

C) Control files are required to bring the database to the NOMOUNT stage.

D) Data files and redo log files are made available to users at the OPEN stage.

E) Data files and online redo log files are checked for consistency while opening the database

Answer: A,D,E

A)正确，实验：

SQL> startup mount

$ cp test.dbf test1.dbf

SQL> alter database rename file '/u01/app/oracle/oradata/PROD/dfile/test.dbf'

2 to '/u01/app/oracle/oradata/PROD/dfile/test1.dbf';

Database altered;

$ cp redo01.log redo01_a.log

SQL> alter database rename file '/u01/app/oracle/oradata/PROD/lfile/redo01.log'

2 to '/u01/app/oracle/oradata/PROD/lfile/redo01_a.log';

Database altered.

rangeover · 发表于 2012-2-8 23:01:33

rangeover · 发表于 2012-2-11 11:41:51

lazi828 · 发表于 2012-3-7 08:49:20

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wish_start · 发表于 2014-1-20 13:18:05

学习了

wish_start · 发表于 2014-1-20 13:18:20

学习

handsomely · 发表于 2014-3-11 16:33:44

好赞顶

1466721066@qq.c · 发表于 2014-6-30 22:11:57

edfeng222 · 发表于 2014-10-15 11:43:45

太棒了，感谢楼主太棒了，感谢楼主

﹎注销ㄨ恛憶 · 发表于 2014-10-21 12:46:41

学学一下，加油

q466265670 · 发表于 2017-12-23 18:42:22

学习学习

q466265670 · 发表于 2018-1-2 17:46:34

学习学习

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[题库] Oracle OCP 042题库解析(4)