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单选题
You work as a database administrator for Certkiller .com. As a result of performance analysis， you created an index on theprod_namecolumn of the Certkiller prodtable， which contains about ten thousand rows. Later， you updated a product name in the table. How does this change affect the index？（）
A
A leaf will be marked as invalid.
B
An update in a leaf row takes place.
C
The index will be updated automatically at commit.
D
A leaf row in the index will be deleted and inserted.
E
The index becomes invalid when you make any updates
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更多 “单选题You work as a database administrator for Certkiller .com. As a result of performance analysis， you created an index on theprod_namecolumn of the Certkiller prodtable， which contains about ten thousand rows. Later， you updated a product name in the table. How does this change affect the index？（）A A leaf will be marked as invalid.B An update in a leaf row takes place.C The index will be updated automatically at commit.D A leaf row in the index will be deleted and inserted.E The index becomes invalid when you make any updates” 相关考题
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You work as a database administrator for Certkiller .com. As a result of performance analysis， you created an index on theprod_namecolumn of the Certkiller prodtable， which contains about ten thousand rows. Later， you updated a product name in the table. How does this change affect the index？（）A、A leaf will be marked as invalid.B、An update in a leaf row takes place.C、The index will be updated automatically at commit.D、A leaf row in the index will be deleted and inserted.E、The index becomes invalid when you make any updates
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单选题You work as a database administrator for Certkiller .com. Users in the Certkiller .com PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available， and undo retention has been set to zero. What would you do to overcome this problem？（）A
Increase the undo returnB
Create more undo segmentsC
Create another undotablespaceD
Increase the size of the undotablespace
考题
单选题You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case？ （）A
Hot backupB
Online backupC
consistent backupD
incremental backupE
inconsistent backup
考题
单选题You work as a database administrator for Certkiller .com. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation. Which advisory component would you refer to， in order to determine the appropriate indexes？（）A
Memory AdvisorsB
Segment AdvisorsC
SQL Tuning and Access AdvisorsD
Automated Workload Repository （AWR）E
Automatic Database Diagnostic Monitor （ADDM）
考题
单选题You work as a database administrator for Certkiller .com. In your organization， you have four databases， Certkiller DB01， Certkiller DB02， Certkiller DB03， and Certkiller DB04， which are located in Berlin， Frankfurt，Rammstein， and Munich respectively， and which were created using Database Configuration Assistant （DBCA）. You want to perform administrative tasks on these databases that include startup and shutdown， taking regular backups， and so on， fromFrankfurtusing Oracle tools. Which Oracle file would you enable to perform this task？（）A
Control fileB
Password fileC
Parameter fileD
Online redo log fileE
Listener controller fileF
Server parameter file
考题
单选题You work as a database administrator for Certkiller .com. You have been asked to use a centralized administrative tool to administer your database servers and application servers. In order to achieve the objective， which component would you configure on each database server？（）A
Database ControlB
Management ServerC
Management RepositoryD
Application Server ControlE
Oracle Management Agent
考题
多选题You work as a database administrator for Certkiller .com. You decided to manage client and server connections using Local Naming method in Certkiller .com. When you try to connect to the database you get the following error： ERROR： ORA-12154：TNS：couldnot resolve service name Which network configuration files would you look into to resolve this error？（）Asnmp.oraBnames.oraCspfile.oraDsqlnet.oraElistener.oraFtnsnames.ora
考题
单选题You work as a database administrator for Certkiller .com. You are using three database， Certkiller DB01， Certkiller DB02， and Certkiller DB03， on different host machines in your development environment. The database serverconfiguration， such as IP address and listener port number， change frequently due to development requirements， and you havethe task of notifying the developers of the changes. Which connection method would you use to overcome this overhead？（）A
Host namingB
Local namingC
Easy ConnectD
External namingE
directory naming
考题
单选题You work as a database administrator for Certkiller .com. In a production environment， users complain about the slow response time when accessing the database. You have not optimized the memory usage of the Oracle instance and you suspect the problem to be with the memory. To which type of object would you refer to determine the cause of the slow response？（）A
The trace fileB
The fixed viewsC
The data dictionary viewsD
The operating system log fieldsE
The dynamic performance views.
考题
单选题You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation？（）A
Configure Java Pool to cache the java objects.B
Configure Streams Pool to enable parallel processing.C
Increase Shared Pool size to cache more PL/SQL objects.D
Increase Database Buffer Cache size to increase cache hits.E
Configure Large Pool to be used by RMAN and shared server.F
Increase the total System Global Area （SGA） size to increase memory hits.
考题
单选题As a result of performance analysis， you created an index on the prod_name column of the prod_det table， which contains about ten thousand rows. Later， you updated a product name in the table. How does this change affect the index？（）A
A leaf will be marked as invalid.B
An update in a leaf row takes place.C
The index will be updated automatically at commit.D
A leaf row in the index will be deleted and inserted.E
The index becomes invalid when you make any updates.
考题
单选题You work as an application developer at Certkiller .com. You have recently created an application domain for Certkiller .com. A few weeks later， you are required to determine if assembly references in this application domain， which is the current application domain， are being cached. What property should you use to achieve this objective？（）A
AppDomain.CurrentDomain.ShadowCopyFilesB
AppDomain.CurrentDomain.CachePathC
AppDomain.CurrentDomain.ConfigurationFileD
AppDomain.CurrentDomain.Evidence
考题
单选题You work as a database administrator for Certkiller .com. You enabled tracing while creating a listener to your database. What additional information is available to you when you enable tracing？（）A
Information about each Oracle Net connection.B
Information about each entry in theLinstener.orafileC
Information about the changed done in the databaseD
Information about the different listeners in your systemE
Information about all thenondatabasefiles required to operate the database
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