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【简答题】
The distinction between competence and performance is proposed by ____. A. a. Saussure. B. b. Chomsky. C. c. Halliday. D. d. The Prague School .
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举一反三
【单选题】You are maintaining the SALES database of TeleStar Corporation. The online redo log configuration of the database is as follows： One of the redo log members， redo3b， is lost due to disk failure. How...
A.
by performing an incomplete recovery from the last backup
B.
by performing an import operation
C.
by performing a complete database recovery
D.
by dropping the lost member and adding a new redo log member
【单选题】After two years’ study, he now has a __________ better command of English.
A.
very
B.
far
C.
fairly
D.
quite
【单选题】The configuration of the online redo log files is as follows： Based on this configuration， which statement is true？（）
A.
The LGWR process concurrently writes the redo log entries to both the members of a group.
B.
When a member of a group becomes corrupt， the database crashes.
C.
The sizes of the redo01a.log and redo01b.log online redo log members of group Group1 can be different.
D.
When redo02a.log and redo02b.log files become corrupt， then the database operations will proceed as normal.
【单选题】After four years' hard study in Harvard, he has got a ______ knowledge of medicine.
A.
potential
B.
comprehensive
C.
respective
D.
exclusive
【单选题】This is the online redo log files and the control file configurations： Based on these configurations， which statement is true？（）
A.
Both the control files and the online redo log files are configured properly.
B.
The control files are configured properly， but the online redo log files are not configured properly.
C.
The online redo log files are configured properly， but the control files are not configured properly.
D.
Neither the control files nor the online redo log files are configured properly.
【单选题】In your database， online redo log files are multiplexed and one of the members in a group is lost due to media failure？ How would you recover the lost redo log member？（）
A.
import the database from the last export
B.
restore all the members in the group from the last backup
C.
drop the lost member from the database and then add a new member to the group
D.
restore all the database files from the backup and then perform a complete recovery
E.
restore all the database files from the backup and then perform an incomplete recovery
【单选题】Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member， which is n...
A.
SMON would automatically restore the lost file.
B.
You would need to restore the whole database from the last backup.
C.
You would need to restore the file from the last full database backup.
D.
You would need to use flashback technology to restore the lost redo log member.
E.
You would need to use Recovery Manager （RMAN） to restore the lost redo log member.
F.
You would need to restore the missing log file by copying one of the remaining files from the same group.
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