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单选题
Which command is used to open the database after an incomplete recovery？（）
A
alter database open
B
alter database open repairlog
C
alter database open resetlogs
D
alter database open resetlog
E
alter database resetlogs open
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After performing a clean shut down of the database instance for maintenance， you mount thedatabase and then execute a command to open the database： SQL ALTER DATABASE OPEN； Which two statements are true（）A、The online redo log files and online data files are opened.B、All the online data file headers are checked for consistency.C、Instance recovery is performed before opening the database.D、The path and existence of all the log file members are checked
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Which of the following commands cannot be executed when the database open？（）A、RECOVER DATABASEB、RECOVER TABLESPACEC、RECOVER DATAFILED、ALTER DATABASE RECOVER DATAFILE
考题
After the recovery is complete， which command should you execute？（）A、ALTER DATABASE OPEN；B、ALTER DATABASE CLEAR LOGFILE；C、ALTER DATABASE OPEN RESETLOGS；D、ALTER DATABASE OPEN NORESETLOGS；
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考题
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考题
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考题
Identify three valid methods of opening, pluggable databases (PDBs).（）A、ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from the rootB、ALTER PLUGGABLE DATABASE OPEN ALL ISSUED from a pdbC、ALTER PLUGGABLE DATABASE PDB OPEN issued from the seedD、ALTER DATABASE PDB OPEN issued from the rootE、ALTER DATABASE OPEN issued from that pdbF、ALTER PLUGGABLE DATABASE PDB OPEN issued from another pdbG、ALTER PLUGGABLE DATABASE OPEN issued from that pdb
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What will be the end result of this set of RMAN commands？（） shutdown abort startup mount restore datafile 4 until time ，，09/30/2008：15：00：00； recover datafile 4 until time ，，09/29/2008：15：00：00； alter database open resetlogs；A、 Datafile 4 will be recovered until 9/30/2008 at 15：00 and the database will open.B、 The restore command will fail.C、 The recover command will fail.D、 The alter database open resetlogs command will fail.E、 All these commands will fail because they must be in the confines of a run block.
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Flashback is enabled for your multitenant container database (CDB), which contains two pluggable database (PDBs). A local user was accidently dropped from one of the PDBs. You want to flash back the PDB to the time before the local user was dropped. You connect to the CDB and execute the following commands: SQL SHUTDOWN IMMEDIATE SQL STARTUP MOUNT SQL FLASHBACK DATABASE to TIME “TO_DATE (‘08/20/12’ , ‘MM/DD/YY’)”; Examine following commands: 1. ALTER PLUGGABLE DATABASE ALL OPEN; 2. ALTER DATABASE OPEN; 3. ALTER DATABASE OPEN RESETLOGS; Which command or commands should you execute next to allow updates to the flashback back schema?（）A、Only 1B、Only 2C、Only 3D、3 and 1E、1 and 2
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多选题After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL ALTER DATABASE OPEN； Which two statements are true（）AThe online redo log files and online data files are opened.BAll the online data file headers are checked for consistency.CInstance recovery is performed before opening the database.DThe path and existence of all the log file members are checked
考题
单选题You have lost all your SYSTEM tablespace datafiles （system_01.dbf and system_02.dbf） nd the database has crashed. What would be the appropriate order of operations to correct the situation？（） a. Mount the database with the startup mount command. b. Take the SYSTEM datafile offline with the alter database command. c. Restore the SYSTEM_01.dbf datafile from backup media with the required archived redo logs. d. Restore all SYSTEM tablespace-related datafiles from backup media. e. Issue the recover tablespace SYSTEM command. f. Issue the recover datafile SYSTEM_01.dbf command. g. Open the database with the alter database open command. h. Open the database with the alter database open resetlogs command.A
a， c， f， gB
b， d， e， hC
a， b， c， f， gD
d， a， e， gE
b， c， f， e， g
考题
单选题Which of the following represents the correct way to perform an online recovery of datafile 4， which is assigned to a tablespace called USERS？（）A
shutdown restore datafile 4； recover datafile 4； alter database open；B
Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； alter database open；C
Sql alter database datafile 4 offline； restore datafile 4； Sql alter database datafile 4 online；D
Sql alter database datafile 4 offline； restore database datafile 4； recover database datafile 4；Sql alter database datafile 4 online；E
Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； Sql alter database datafile 4 online；
考题
单选题What will be the end result of this set of RMAN commands？（） shutdown abort startup mount restore datafile 4 until time ，，09/30/2008：15：00：00； recover datafile 4 until time ，，09/29/2008：15：00：00； alter database open resetlogs；A
Datafile 4 will be recovered until 9/30/2008 at 15：00 and the database will open.B
The restore command will fail.C
The recover command will fail.D
The alter database open resetlogs command will fail.E
All these commands will fail because they must be in the confines of a run block.
考题
单选题Which are the correct steps， in order， to deal with the loss of an online redo log if the database has not yet crashed？（） a. Issue a checkpoint. b. Shut down the database. c. Issue an alter database open command to open the database. d. Startup mount the database. e. Issue an alter database clear logfile command. f. Recover all database datafiles.A
a， b， c， dB
b， d， e， cC
a， b， d， e， cD
b， f， d， f， cE
b， d， a， c
考题
单选题Flashback is enabled for your multitenant container database (CDB), which contains two pluggable database (PDBs). A local user was accidently dropped from one of the PDBs. You want to flash back the PDB to the time before the local user was dropped. You connect to the CDB and execute the following commands: SQL SHUTDOWN IMMEDIATE SQL STARTUP MOUNT SQL FLASHBACK DATABASE to TIME “TO_DATE (‘08/20/12’ , ‘MM/DD/YY’)”; Examine following commands: 1. ALTER PLUGGABLE DATABASE ALL OPEN; 2. ALTER DATABASE OPEN; 3. ALTER DATABASE OPEN RESETLOGS; Which command or commands should you execute next to allow updates to the flashback back schema?（）A
Only 1B
Only 2C
Only 3D
3 and 1E
1 and 2
考题
单选题RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database？（）A
’SQL ALTER DATABASE OPEN’；B
SQL ALTER DATABASE ’OPEN’；C
OPEN DATABASE；D
DATABASE OPEN
考题
单选题Which command is used to open the database after an incomplete recovery？（）A
alter database openB
alter database open repairlogC
alter database open resetlogsD
alter database open resetlogE
alter database resetlogs open
考题
单选题If a log file becomes corrupted， it may cause the database to stall. How would you correct such a situation？（）A
Recover the online redo log from backup.B
Delete and re-create the log file.C
Use the alter database clear logfile command to clear the log file.D
Shut down the database and restart it.E
Shut down the database and then mount it. Clear the log file with the alter database clear logfile command and then restart the database with alter database open resetlogs.
考题
单选题When performing a full database disaster recovery with RMAN， in what order would you execute these steps？（） a. Restore the control file from autobackups. b. Run the RMAN restore and recover command. c.Restore the database spfile from autobackups. d. Make the RMAN backup set pieces available. e. Open the database with the alter database open resetlogs command. f.Open the database with the alter database open command.A
a， b， c， d， e， fB
c， d， a， b， fC
d， c， a， b， fD
d， b， d， c， eE
d， c， a， b， e
考题
单选题You are managing a single instance Oracle 10g database that utilizes the following parameters： Which of the following set of commands must you execute to enable Flashback Database？（）A
STARTUP MOUNT EXCLUSIVE ALTER DATABASE FLASHBACK ON； ALTER DATABASE OPEN；B
STARTUP MOUNT ALTER DATABASE FLASHBACK ON； ALTER DATABASE OPEN RESETLOGS；C
STARTUP MOUNT EXCLUSIVE ATLER DATABASE ARCHIVELOG； ALTER DATABASE FLASHBACK ON； ALTER DATABASE OPEN RESETLOGS；D
STARTUP MOUNT ALTER DATABASE ARCHIVELOG； ALTER DATABASE FLASHBACK ON； ALTER DATABASE OPEN；
考题
单选题After the recovery is complete， which command should you execute？（）A
ALTER DATABASE OPEN；B
ALTER DATABASE CLEAR LOGFILE；C
ALTER DATABASE OPEN RESETLOGS；D
ALTER DATABASE OPEN NORESETLOGS；
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