单选题You are maintaining your database in Oracle10g. You find that the INDEXES index tablespace should be recovered. How will you recover the index tablespace？（）A  by using the Flashback Database featureB  by using RMAN incomplete recoveryC  by performing a

第1题：

In your database， you discovered that a tempfile in a locally managed temporary tablespace has been deleted at the operating system level. How would you recover the tablespace？（）

• A、flash back the database
• B、perform point-in-time recovery
• C、perform a full database recovery
• D、drop and re-create the tablespace
• E、use Recovery Manager （RMAN） to recover the database

第2题：

You are maintaining the database in Oracle10g. You are performing an incomplete recovery by using RMAN because an important table， EMPLOYEE， is dropped and purged from the Recycle Bin. Which statement is NOT true regarding an incomplete recovery？（）

• A、 The target database must be in the MOUNT mode to ensure restoration of the datafiles.
• B、 You can restore the datafiles from the backup by using the RMAN utility only if the backups were taken using the RMAN utility.
• C、 The control file must be recreated.
• D、 The database must be opened with the RESETLOGS option.

第3题：

At database startup， you discover that one of the disks containing an index tablespace has been lost due to a media failure. A backup of the lost index tablespace is not available. You have all the necessary scripts to recreate the indexes. You need to re-create the indexes in a new index tablespace. Which action must you perform before re-creating the indexes？（）

• A、 Start the database in OPEN mode， and create a new index tablespace.
• B、 Start the database in OPEN mode， and drop the lost index tablespace from the database.
• C、Start the database in MOUNT mode， create a new index tablespace， and drop the lost index tablespace from the database.
• D、 Start the database in MOUNT mode， drop the lost index tablespace from the database， open the database， and create a new index tablespace.

第4题：

You noticed that the index tablespace in your database requires a recovery. However， instead of performing a media recovery， you decided to re-create the indexes in a new tablespace. Which two options would you use to reduce the time it takes to re-create the indexes？（）

• A、 ONLINE
• B、 REVERSE
• C、 PARALLEL
• D、 COMPRESS
• E、 NOLOGGING
• F、 COMPUTE STATISTICS

第5题：

You lost the index tablespace in your database. You decided to re/x7fcreate the index tablespace and the indexes in the tablespace.  What methods can you use to re/x7fcreate the indexes？（）

• A、Data Pump
• B、SQL scripts
• C、SQL*Loader
• D、Flashback database
• E、Recovery Manager （RMAN） script

第6题：

You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set.   How will you migrate your database from UTF8 to AL16UTF16？（）  

• A、 by using the RMAN utility
• B、 by using the export/import utility
• C、 by using the ALTER DATABASE command
• D、 by enabling the change tracking feature

第7题：

You lost the index tablespace in your database. You decided to re-create the index tablespace and the indexes in the tablespace. What methods can you use to re-create the indexes？（）

• A、 SQL scripts
• B、 Recovery Manager （RMAN） script
• C、 Data Pump
• D、 SQL*Loader
• E、 Flashback database

第8题：

You are maintaining your database in Oracle10g. You are performing an incomplete recovery because the tablespace， DATA1， was dropped and purged from the Recycle Bin. After performing an incomplete recovery， you open the database with the RESETLOGS option.  What will NOT be the impact of using the RESETLOGS option？（）

• A、 The log sequence for the database will restart from 1.
• B、 The log sequence number will be written to the control file.
• C、 The log sequence number will be written to the datafile headers.
• D、 The log sequence number will be written to the initialization parameter file.

第9题：

You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup？（）

• A、 online redo log files
• B、 alert log files
• C、 control file
• D、 datafiles associated with the SYSTEM tablespace

第10题：

You lost the index tablespace in your database. You are not able to use tablespace point/x7fin/x7ftime recovery on the index tablespace. What could be the reason for this？（）

• A、The index tablespace contains bitmap indexes.
• B、The index tablespace contains more than one data file.
• C、The index tablespace supports only complete recovery.
• D、The index tablespace is not a dictionary­managed tablespace.
• E、There is a dependency relationship between a table and its indexes.