网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
In which situation is the UNDO_RETENTION parameter be ignored, even if it is set to a value()
A
When the data file of the undo tablespace is autoextensible
B
When there are more than one undo tablespaces available in the database
C
When the undo tablespace is of a fixed size and retention guarantee is not enabled
D
When the undo tablespace is autoextensible and retention guarantee is not enabled
参考答案
参考解析
解析:
暂无解析
更多 “单选题In which situation is the UNDO_RETENTION parameter be ignored, even if it is set to a value()A When the data file of the undo tablespace is autoextensibleB When there are more than one undo tablespaces available in the databaseC When the undo tablespace is of a fixed size and retention guarantee is not enabledD When the undo tablespace is autoextensible and retention guarantee is not enabled” 相关考题
考题
On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30 am. Which option must you use to check whether a flashback operation can recover the database to the specified time? ()A. Check the alert log fileB. Query the V$FLASHBACK_DATABASE_LOG viewC. Query the V$RECOVERY_FILE_DEST_SIZE viewD.Query the V$FLASHBACK_DATABASE_STAT viewE. Check the value assigned for the UNDO_RETENTION parameter
考题
The EMP table exists in your schema. You want to execute the following query:SELECT ename, salFROM empAS OF TIMESTAMP (SYSTIMESTAMP - INTERVAL ‘6‘ MINUTE)WHERE ename = ‘ALLEN‘;What are the minimum requirements for the statement to execute successfully? ()A. ARCHIVELOG mode must be enabledB. Row Movement must be enabled for the tableC. FLASHBACK must be set to ON for the databaseD. The UNDO_MANAGEMENT parameter must be set to AUTOE. The UNDO_RETENTION parameter must be set appropriately
考题
The author suggests that a mathematician asked to solve a problem in an ill-defined situation would first attempt to do which of the following?( ) A.Identify an analogous situation.
B.Simplify and define the situation.
C.Vary the underlying assumptions of a description of the situation.
D.Determine what use would be made of the solution provided.
考题
The author suggests that a mathematician asked to solve a problem in an ill-defined situation would first attempt to do which of the following?( ) A.Identify an analogous situation
B.Simplify and define the situation
C.Vary the underlying assumptions of a description of the situation
D.Determine what use would be made of the solution provided
考题
The remote host parameter configured on the LNS must match which parameter on the LAC?()A、hostnameB、hostC、client-nameD、remote-host
考题
On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30 am. Which option must you use to check whether a flashback operation can recover the database to the specified time? ()A、Check the alert log fileB、Query the V$FLASHBACK_DATABASE_LOG viewC、Query the V$RECOVERY_FILE_DEST_SIZE viewD、Query the V$FLASHBACK_DATABASE_STAT viewE、Check the value assigned for the UNDO_RETENTION parameter
考题
Which statement regarding the contents of the V$PARAMETER view is true?()A、displays only the list of default valuesB、displays only the list of all basic parametersC、displays the currently in effect parameter valuesD、displays only the list of all advanced parametersE、displays the list of all the parameter files of a database
考题
You are working on a test database where instance recovery takes a considerable amount of time.How can reduce the recovery time?()A、By multiplexing the control filesB、By multiplexing the redo log filesC、By decreasing the size of redo log filesD、By configuring mean time to recover (MTTR) to a lower valueE、By setting the UNDO_RETENTION parameter to a higher value
考题
Which statement is true about the UNDO_RETENTION parameter when retention guarantee is notenabled()A、It is the time period after which the undo data becomes obsolete.B、It is the time period after which the committed undo data would be transferred to a temporarytablespace.C、It is the minimum time period up to which the committed undo data would be retained if free undo spaceis available.D、It is the time period after which the undo data is transferred to the Flash Recovery Area to provide readconsistency.
考题
An RMAN backup job fails, displaying the following error: ORA/x7f19809: limit exceeded for recovery files Your analysis shows that the Flash Recovery area is full. Which two actions could you take to resolve the error and avoid this error in future?()A、take the backup of the flash recovery area less frequentlyB、increase the value of the UNDO_RETENTION initialization parameterC、change the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTOD、change the backup retention policy to retain the backups for a smaller period of time E、increase the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameterF、increase the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
考题
Which two files in the database can be configured for automatic backups by using the autobackupfeature in Recovery Manager (RMAN)()A、data filesB、control filesC、parameter fileD、online redo log filesE、server parameter file
考题
多选题An RMAN backup job fails, displaying the following error: ORA-19809: limit exceeded for recovery files Your analysis shows that the Flash Recovery area is full. Which two actions could you take to resolve the error and avoid this error in the future? ()Atake the backup of the flash recovery area less frequentlyBincrease the value of the UNDO_RETENTION initialization parameterCchange the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTODchange the backup retention policy to retain the backups for a smaller period of timeEincrease the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameterFincrease the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
考题
多选题You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this?()ASet the UNDO_RETENTION parameter to AUTO.BCreate an initial undo segment in undotablespace.CSet the UNDO_RETENTION parameter to 900 or moreDSet the initialization parameter UNDO_MANAGEMENT to AUTOESet the UNDO_MANAGEMENT parameter to the name of an undotablespace
考题
多选题Which three pieces of information are considered while deciding the size of the undo tablespace in your database?()Athe size of an undo blockBthe size of the redo log filesCundo blocks generated per secondDthe size of the database buffer cacheEthe value of the UNDO_RETENTION parameter
考题
单选题Which statement regarding the contents of the V$PARAMETER view is true?()A
displays only the list of default valuesB
displays only the list of all basic parametersC
displays the currently in effect parameter valuesD
displays only the list of all advanced parametersE
displays the list of all the parameter files of a database
考题
多选题The EMP table exists in your schema. You want to execute the following query: SELECT ename, sal FROM emp AS OF TIMESTAMP (SYSTIMESTAMP - INTERVAL ’6’ MINUTE) WHERE ename = ’ALLEN’; What are the minimum requirements for the statement to execute successfully?()AARCHIVELOG mode must be enabledBRow Movement must be enabled for the tableCFLASHBACK must be set to ON for the databaseDThe UNDO_MANAGEMENT parameter must be set to AUTOEThe UNDO_RETENTION parameter must be set appropriately
考题
多选题You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace, UNDO_TBS1, in your database. Which two additional steps would you perform to achieve this?()ASet the UNDO_RETENTION parameter to 900 or more.BCreate an initial undo segment in the undo tablespace.CEnable the retention guarantee for the undo tablespace.DSet the UNDO_TABLESPACE parameter to UNDO_TBS1.ESet the UNDO_MANAGEMENT initialization parameter to AUTO.
考题
单选题The remote host parameter configured on the LNS must match which parameter on the LAC?()A
hostnameB
hostC
client-nameD
remote-host
考题
单选题You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting?()A
The database will not start.B
The database will start but will not retain the undo data in the undo segment.C
The database will start, and the undo segment will contain the undo data for at least one hour.D
The database will start, and the undo segment will retain the undo data for at least 15 minutes.
考题
单选题The database is being restored from a closed backup. The data files, control files, password file, and parameter file are available, but the online redo logs are not. Because the online redo logs are not available, you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation?()A
until SCNB
until timeC
until cancelD
using backup control file
考题
单选题Which statement is true about the UNDO_RETENTION parameter when retention guarantee is notenabled()A
It is the time period after which the undo data becomes obsolete.B
It is the time period after which the committed undo data would be transferred to a temporarytablespace.C
It is the minimum time period up to which the committed undo data would be retained if free undo spaceis available.D
It is the time period after which the undo data is transferred to the Flash Recovery Area to provide readconsistency.
考题
单选题Which statement is true about the UNDO_RETENTION parameter when retention guarantee is not enabled()A
It is the time period after which the undo data becomes obsolete.B
It is the time period after which the committed undo data would be transferred to a temporary tablespace.C
It is the minimum time period up to which the committed undo data would be retained if free undo space isavailable.D
It is the time period after which the undo data is transferred to the Flash Recovery Area to provide readconsistency.
考题
多选题An RMAN backup job fails, displaying the following error: ORA/x7f19809: limit exceeded for recovery files Your analysis shows that the Flash Recovery area is full. Which two actions could you take to resolve the error and avoid this error in future?()Atake the backup of the flash recovery area less frequentlyBincrease the value of the UNDO_RETENTION initialization parameterCchange the value of the WORKAREA_SIZE_POLICY initialization parameter to AUTODchange the backup retention policy to retain the backups for a smaller period of timeEincrease the value of the DB_RECOVERY_FILE_DEST_SIZE initialization parameterFincrease the value of the CONTROL_FILE_RECORD_KEEP_TIME initialization parameter
考题
单选题In which situation may the UNDO_RETENTION parameter be ignored, even if it is set to a value()A
when the data file of the undo tablespace is autoextensibleB
when there are more than one undo tablespaces available in the databaseC
when the undo tablespace is of a fixed size and retention guarantee is not enabledD
when the undo tablespace is autoextensible and retention guarantee is not enabled
考题
多选题Which of the following are valid settings for the NLS_COMP parameter?()AASCIIBANSICBINARYDMONOLINGUALEMULTILINGUAL
考题
单选题On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30am. Which option must you use to check whether a flashback operation can recover the database to the specified time?()A
Check the alert log fileB
Query the V$FLASHBACK_DATABASE_LOG viewC
Query the V$RECOVERY_FILE_DEST_SIZE viewD
Query the V$FLASHBACK_DATABASE_STAT viewE
Check the value assigned for the UNDO_RETENTION parameter
热门标签
最新试卷