SQL>ALTER DATABASE DROP LOGFILE GROUP 1;
SQL>ALTER DATABASE CLEAR LOGFILE GROUP 1;
SQL>ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
SQL>ALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’;
第1题:
You are managing an Oracle Database 11g database. You configured the database to run inARCHIVELOG mode. Which two statements are true in this scenario()
第2题:
You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()
第3题:
Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you. Which two statements are true in this scenario?()
第4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?()
第5题:
ALTER DATABASE DROP LOGFILE GROUP 1
ALTER DATABASE CLEAR LOGFILE GROUP 1
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1
ALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’
第6题:
open the database with the RESETLOGS option
open the database with the RESTRICTED option
recover all the data files to the same system change number (SCN)
recover to the required SCN only that data file in which the error occurred
第7题:
You have to shut down the database to perform the backups.
Archiving information is written to the data files and redo log files.
You can perform complete database backups without closing the database.
Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.
All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.
第8题:
Shut down the database, restore the two data files and then start up the database.
Take the system and users tablespace offline, restore the two data files, recover the two datafiles, and then bring the SYSTEM and USERS tablespaces online.
Shut down the database, restore the two data files, start up the database in MOUNT mode, recover the two data files, and then alter the database open.
Take the SYSTEM and USERS tablespaces offline, recover the two datafiles and then bring the SYSTEM and USERS tablespaces online.
第9题:
backup of offline tablespaces
backup of readonly tablespaces
backup of systemcritical tablespaces
backup of online, locally managed tablespaces
backup of read/write dictionarymanaged tablespaces
第10题:
open the database with the RESTRICTED option
open the database with the RESETLOGS option
recover to the required SCN only that data file in which the error occurred
recover all the data files to the same system change number (SCN)
第11题:
Execute the ALTER DATABASE ARCHIVELOG statement
Select ARCHIVELOG option in the database control and restart the database to apply the changes.
Shut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.
Shut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
第12题:
The instance aborts.
The database cannot be recovered.
The database can be recovered by restoring the control files from the backup.
The database remains opened and you have to shut it down with the ABORT option.
The database can be restored till the point of the last closed whole database backup.
第13题:
Your database is in ARCHIVELOG mode. You have two online redo log groups,each of which contains one redo member. When you attempt to start the database, you receive the following errors:()
第14题:
You configured the Flash Recovery Area (FRA) for your database. The database instance is runningin ARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which two files are removed automaticallyif the space is required in the FRA as per the retention policy()
第15题:
You are maintaining your database in Oracle10g. You perform a full user-managed backup every Sunday at 8:00 P.M. Your database is running in ARCHIVELOG mode. On Monday, at 9:00 A.M., a tablespace is dropped. You decide to perform incomplete recovery to recover the dropped tablespace. Which two clauses can you use with the RECOVER command?()
第16题:
You must shut down the database instance to perform the backups.
You must configure the Flash Recovery Area (FRA) for the database.
You can perform complete database backups without closing the database.
All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.
第17题:
Only bring the tablespace back online.
Only recover the tablespace and then bring the tablespace back online.
Shut down the database, recover the data file and then start up the database.
Issue the ALTER DATABASE RENAME FILE command, recover the tablespace, and then bring the tablespace online.
Recover the tablespace, issue the ALTER DATABASE RENAME FILE command, and then bring the tablespace online.
第18题:
The database will operate normally without generating any redo.
The database will hang, and you must shut down and restart the instance.
The database will crash, and you must recover the database from the point of failure.
The database will operate normally and will generate minimal redo for the tables created with the NOLOGGING clause.
第19题:
A
B
C
D
第20题:
ALTER DATABASE DROP LOGFILE GROUP 1;
ALTER DATABASE CLEAR LOGFILE GROUP 1;
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG
第21题:
Backup of offline tablespaces.
Backup of read-only tablespaces.
Backup of system-critical tablespaces.
Backup of online, locally managed tablespaces.
Backup of read/write dictionary-managed tablespaces.
第22题:
Open the database in read-only mode.
Set the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.
Enable the block change tracking feature.
Execute the ALTER DATABASE FLASHBACK ON statement.
第23题:
archival
log writer
database writer
system monitor
process monitor
change tracking writer
第24题:
Database Datafiles
Database Control Files
Online redo logs
Archived redo logs
The database SPFILE
None of the above,all these files are backed up