单选题The data file belonging to the SYSTEM tablespace is corrupted and no backup of the file is available. How do you recover the data file？（）A The data file cannot be recovered.B The date file can be restored from the SYSTEM auto backup.C Take thetablespac

第1题：

The user HR receives the following error while inserting data into the TTK table： ERROR at line 1：  ORA-01653： unable to extend table HR.TTK by 128 in tablespace SMDUpon  investigation， you find that SMD is a small file tablespace.  Which three action would allow the user to insert data（）

• A、Add a data file to the SMD tablespace.
• B、Add a data file to the temporary tablespace associated with the user HR.
• C、Resize the data file associated with the SMD tablespace to make it larger.
• D、Alter the data file associated with the SMD tablespace to grow automatically.
• E、Change the segment space management for the SMD tablespace to automatic. n segments is managed through free lists.

第2题：

When performing an incomplete recover of the whole database， which data files must you restore？ （）

• A、Only the damaged or lost data files.
• B、All of the data files of the database.
• C、Only the data files belonging to the SYSTEM tablespace.
• D、The data files belonging to the SYSTEM tablespace and the damaged or lost data files.

第3题：

第4题：

The DB_BLOCK_CHECKINGinitialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）

• A、 The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.
• B、 The DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.
• C、 The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.
• D、 The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.
• E、 The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent.

第5题：

View this parameter setting in your database：   DB_CREATE_FILE_DEST=’D:// /oracle/product/10.2.0/oradata/oracle’  You created a tablespace by using this command：   CREATE TABLESPACE USERS；  Which two statements are true about the USERS tablespace？（）

• A、The tablespace has two data files.
• B、An error is reported and tablespace creation fails.
• C、Data files are created with names generated by the instance.
• D、The tablespace can be extended without specifying the data file.
• E、Data files belonging to the USERS tablespace cannot be renamed.

第6题：

The data file belonging to theSYSTEMtablespaceis corrupted and no backup of the file is available. How do you recover the data file？（）

• A、The data file cannot be recovered.
• B、The date file can be restored from theSYSTEMauto backup.
• C、Take thetablespaceoffline，drop，kand re-create it.
• D、Recovery Manager （RMAN） is used to recover the data file.
• E、The ALTER DATABSE CREATE DATAFILE..commandis used to recover the data file.

第7题：

The user HR receives the following error while inserting data into the TTK table：ERROR at line 1： ORA-01653： unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation， you find that SMDis a small file tablespace. Which three action would allow the user to insert data（）

• A、Add a data file to the SMD tablespace.
• B、Add a data file to the temporary tablespace associated with the user HR.
• C、Resize the data file associated with the SMD tablespace to make it larger.
• D、Alter the data file associated with the SMD tablespace to grow automatically.
• E、Change the segment space management for the SMD tablespace to automatic

第8题：

Which two statements correctly describe the relation between a data file and the logical databasestructures（）

• A、An extent cannot spread across data files.
• B、A segment cannot spread across data files.
• C、A data file can belong to only one tablespace.
• D、A data file can have only one segment created in it.
• E、A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.

第9题：

There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow.  There was only one data file on this disk； it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available？（）

• A、Only bring the tablespace back online.
• B、Only recover the tablespace and then bring the tablespace back online.
• C、Shut down the database， recover the data file and then start up the database.
• D、Issue the ALTER DATABASE RENAME FILE command， recover the tablespace， and then bring the tablespace online.
• E、Recover the tablespace， issue the ALTER DATABASE RENAME FILE command， and then bring the tablespace online.

第10题：

View the Exhibit.You executed the following command to perform a backup of the USERS tablespace： RMAN> BACKUP TABLESPACE USERS；  Which three types of files are backed up？ （）

• A、 all the data files belonging to the USERS tablespace
• B、 password file
• C、 online redo log files
• D、 the current control file
• E、 archived redo log files
• F、 the current server parameter file
• G、 data files belonging to the USERS tablespace and all the default tablespaces