1. Which three pieces of information are considered while deciding the size of
database? (Choose three.)
A) the size of an undo block
B) the size of the redo log files
C) undo blocks generated per second
D) the size of the database buffer cache
E) the value of the UNDO_RETENTION parameter
2. You executed the STARTUP MOUNT command to start your database. For
need to start the database in the MOUNT state?
A) renaming the control files
B) dropping a user in your database
C) enabling or disabling redo log archiving
D) dropping a tablespace in your database
E) re-creating the control files, after you lost all the control files in your database
Answer
1) ACE
2) C
------解决方案--------------------
1.
B. redo log files不可能太大，几十M的就算很大了，
所以它基本影响数据库的大小
D. database buffer cache在内存里
2.
经验问题。有的不需要startup mount就能做