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
You are working on the 24X7 database with high transaction volume， to ensure faster instance recovery on your database you set the FAST_START_MTTR_TARGET initialization parameter to a very low value. What effect it will have on the database？（）
A
The database performance would be enhanced.
B
The redo log files would be get filled more frequently.
C
The overall database performance would be degraded.
D
The mean time to recover （MTTR） would be increased.
参考答案
参考解析
解析：
暂无解析
更多 “单选题You are working on the 24X7 database with high transaction volume， to ensure faster instance recovery on your database you set the FAST_START_MTTR_TARGET initialization parameter to a very low value. What effect it will have on the database？（）A The database performance would be enhanced.B The redo log files would be get filled more frequently.C The overall database performance would be degraded.D The mean time to recover （MTTR） would be increased.” 相关考题
考题
You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature？（）A、 You must use automatic undo management in the database.B、 You must configure OMF in your database.C、 You must configure ASM for storing the datafiles.D、 You must multiplex the online redo log file.
考题
You are in the middle of a transaction updating a very important table. The machine on which a database wasrunning reboots because of power outage. This caused a database instance failure. Which statement is true inthis situation（）A、The online redo log files and archived redo log files are required to accomplish the recovery.B、The uncommitted transaction will be committed at the next startup of the database instance.C、The uncommitted transaction is rolled back automatically at the next opening of the database.D、The DBA has to perform the recovery on the database to recover the uncommitted transaction
考题
You are working on the 24X7 database with high transaction volume， to ensure faster instance recovery on your database you set the FAST_START_MTTR_TARGET initialization parameter to a very low value. What effect it will have on the database？（）A、The database performance would be enhanced.B、The redo log files would be get filled more frequently.C、The overall database performance would be degraded.D、The mean time to recover （MTTR） would be increased.
考题
You are working as a DBA at NetFx Corporation. You discover that the SCOTT schema is deleted by mistake. You decide to flash the database back to the time when the schema existed. Which view will you query to determine the estimated size of the flashback data that you require for your current target retention？（）A、 V$FLASHBACK_DATABASE_LOGB、 V$FLASHBACK_DATABASE_STATC、 V$DATABASED、 V$UNDOSTAT
考题
You are maintaining your OLTP database in Oracle10g. You are performing the Flashback Transaction Query to find the undo SQL statements that can be used to undo the changes made to the database in the specific time period. Which pseudocolumn will you use to perform the Flashback Transaction Query？（）A、 VERSIONS_STARTSCNB、 VERSIONS_STARTTIMEC、 VERSIONS_XIDD、 VERSIONS_OPERATION
考题
You are working on a 24x7 （available 24 hours per day， 7 days per week） production database. An operating system （OS） user deletes the alert log file accidentally. Which statement in this scenario is true？（）A、The database crashes.B、The DBA needs to re-create the file.C、The file gets re-created automatically.D、The file gets restored automatically from the last backup.E、The DBA needs to perform a complete database recovery.F、The DBA needs to perform an incomplete database recovery.
考题
In which two cases would you perform only consistent backup？（）A、You are working on a database where downtime is not tolerated.B、You are working on a database where downtime can be tolerated.C、You are working on a database that operates in ARCHIVELOG mode.D、You are working on a database that operates in NOARCHIVELOG mode.E、You are working on a database where all the tablespaces are locally managed.F、You are working on a database where control files and redo log files are multiplexed.G、You are working on a database where control files and redo log files are not multiplexed.
考题
In the absence of shared storage between cluster nodes, which two actions can you take to configure a High Availability architecture?（）A、Move domain logs to a highly available database.B、Move server logs to a highly available database.C、Move transaction logs to a highly available database. D、Move JMS persistent stores to a highly available database.E、Move error logs to a highly available database.
考题
You are working on an Oracle Database 10g database. For which purposes would you use the Flashback Transaction Query feature？ （）A、 To recover a dropped table.B、 To recover a dropped schema.C、 To recover data from a truncated table.D、 To view changes made by all the transactions during a given period of time.E、 To view changes made by a single transaction during a given period of time.
考题
You work as a database administrator at Certkiller .com. You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEEStable. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）A、 perform point-in-time recoveryB、 perform a Flashback Table operation to restore the table to the state it was in two days agoC、 perform a Flashback Database operation to restore the database to the state it was in two days agoD、 perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery
考题
At 10：30 A.M.， you ran a batch job by mistake， which executed a transaction in the database. The transaction identifier of the transaction that made to the changes in the database is 0500A00627B000. At 11：10 A.M.， you stopped the batch job. Now， you want to identify the changes made to the database tables by the batch job. Which view will you query？（）A、 DBA_PENDING_TRANSACTIONSB、 DBA_AUDIT_STATEMENTC、 V$FLASHBACK_DATABASE_STATSD、 FLASHBACK_TRANSACTION_QUERY
考题
You are working on an Oracle Database 10g database that operates in the ARCHIVELOG mode. At 06：00 p.m.， you discovered that a table in the SYSTEM tablespace that does not belong to the data dictionary was dropped at 03：00 p.m. What would you do to recover the table？（）A、 use the Flashback Transaction Query feature to identify the relevant SQL statement and use it to undrop the tableB、 restore the entire database from the most recent backup and open itC、 recover the table by using the Flashback Table featureD、 perform point-in-time recovery to recover the table
考题
You need to resolve the double counting of transactions issue in the existing reports. What should you do?（）A、Apply a many-to-many relationship between the Transaction measure group and the Person dimension in the WoodgroveSSAS database.B、Apply a Conditional Split transformation in the Transaction data in the SSIS package.C、Delete the AccountHolder table in the WoodgroveDW database.D、Apply a foreign key relationship between the Person table and the Transaction table in the WoodgroveDW database.
考题
A support engineer reports that inserting new sales transactions in a SQL Server 2005 database results in an error. You investigate the error. You discover that in one of the databases， a developer has accidentally deleted some data in a table that is critical for transaction processing. The database uses the full recovery model. You need to restore the table. You need to achieve this goal without affecting the availability of other data in the database. What should you do？（）A、Back up the current transaction log. Restore the database with a different name and stop at the point just before the data loss. Copy the table back into the original database.B、Back up the current transaction log. Restore the database to the point just before the data loss.C、Restore the database from the existing backup files to a time just before the data loss.D、Restore the database to the point of the last full backup.
考题
A Windows Azure application stores data in a SQL Azure database. The application will start an operation that includes three insert statements. You need to recommend an approach for rolling back the entire operation if the connection to SQL Azure is lost. What should you recommend？（）A、 Ensure that all statements execute in the same database transaction.B、 Create a stored procedure in the database that wraps the insert statements in a TRY CATCH block.C、 Create a stored procedure in the database that wraps the insertstatements in a TRANSACTION block.D、 Open a new connection to the database. Use a separate transaction scope to roll back the original operation.
考题
单选题You are a database administrator for your company. The company uses a SQL Server 2005 database. A full backup of the database is made each night. Transaction log backups are made each morning and each afternoon. You notice that the database transaction log file grows very large throughout the day. You need to minimize the size of the transaction log file. You also need to minimize data loss in the event of a failure. What should you do？（）A
Decrease the amount of time between transaction log backups.B
Configure the database to use the simple recovery model.C
Configure the RECOVERY INTERVAL option to be a smaller value.D
Run DBCC SHRINKFILE on the transaction log file.
考题
单选题You are working as a DBA at NetFx Corporation. You discover that the SCOTT schema is deleted by mistake. You decide to flash the database back to the time when the schema existed. Which view will you query to determine the estimated size of the flashback data that you require for your current target retention？（）A
V$FLASHBACK_DATABASE_LOGB
V$FLASHBACK_DATABASE_STATC
V$DATABASED
V$UNDOSTAT
考题
多选题You are working on an Oracle Database 10g database. For which purposes would you use the Flashback Transaction Query feature？ （）ATo recover a dropped table.BTo recover a dropped schema.CTo recover data from a truncated table.DTo view changes made by all the transactions during a given period of time.ETo view changes made by a single transaction during a given period of time.
考题
多选题In the absence of shared storage between cluster nodes, which two actions can you take to configure a High Availability architecture?（）AMove domain logs to a highly available database.BMove server logs to a highly available database.CMove transaction logs to a highly available database.DMove JMS persistent stores to a highly available database.EMove error logs to a highly available database.
考题
单选题You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature？（）A
You must use automatic undo management in the database.B
You must configure OMF in your database.C
You must configure ASM for storing the datafiles.D
You must multiplex the online redo log file.
考题
单选题While designing the database for one of your online transaction processing （OLTP） applications， you want to achieve the following： a） high availability of data b） faster primary key access to the table data c） compact storage for the table Which type of tables would you use to achieve these objectives？（）A
heap tablesB
object tablesC
partitioned tablesD
indexorganized tables （IOTs）
考题
单选题You are in the middle of a transaction updating a very important table. The machine on which a database wasrunning reboots because of power outage. This caused a database instance failure. Which statement is true inthis situation（）A
The online redo log files and archived redo log files are required to accomplish the recovery.B
The uncommitted transaction will be committed at the next startup of the database instance.C
The uncommitted transaction is rolled back automatically at the next opening of the database.D
The DBA has to perform the recovery on the database to recover the uncommitted transaction
考题
单选题You work as a database administrator at Certkiller .com. You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEEStable. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）A
perform point-in-time recoveryB
perform a Flashback Table operation to restore the table to the state it was in two days agoC
perform a Flashback Database operation to restore the database to the state it was in two days agoD
perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery
考题
单选题You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）A
You must have change tracking enabled in your databaseB
Your database must be running in NOARCHIVELOG modeC
To back up a tablespace, it must be in backup modeD
To back up a tablespace, it must first be taken offline
考题
单选题You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true？（）A
You must have change tracking enabled in your databaseB
Your database must be running in NOARCHIVELOG modeC
To back up a tablespace，it must be in backup modeD
To back up a tablespace，it must first be taken offline
考题
单选题At 10：30 A.M.， you ran a batch job by mistake， which executed a transaction in the database. The transaction identifier of the transaction that made to the changes in the database is 0500A00627B000. At 11：10 A.M.， you stopped the batch job. Now， you want to identify the changes made to the database tables by the batch job. Which view will you query？（）A
DBA_PENDING_TRANSACTIONSB
DBA_AUDIT_STATEMENTC
V$FLASHBACK_DATABASE_STATSD
FLASHBACK_TRANSACTION_QUERY
考题
多选题In which two cases would you perform only consistent backup？（）AYou are working on a database where downtime is not tolerated.BYou are working on a database where downtime can be tolerated.CYou are working on a database that operates in ARCHIVELOG mode.DYou are working on a database that operates in NOARCHIVELOG mode.EYou are working on a database where all the tablespaces are locally managed.FYou are working on a database where control files and redo log files are multiplexed.GYou are working on a database where control files and redo log files are not multiplexed.
热门标签
最新试卷
