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问题:Which statement is true about the loss of system/x7fcritical...
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问题:单选题It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager (RMAN). How would you make use of this consistent backup in RMAN?()A cannot be used in RMANB by starti...
问题:单选题In the instance of the PROD database, the checkpoint (CKPT) process runs after every minute. A database user updates the rows of the ORDERS table. Because of the configuration, the CKPT process gets initiated before the user commits the transaction. Wh...
问题:单选题In your Certkiller .com production database, you find that the database users are able to create and read files with unstructured data, available in any location on the host machine from an application. You want to restrict the database users to acces...
问题:多选题You work as a database administrator for Supportcenter.cn. Your database is opened inNOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this?()AExecute the ALTER DATABASE ARCHIVELOG statementBSelect ARCHIVELOG opt...
问题:单选题You have to shut down the database instance with the ABORT option because of a hardware failure. Which statement is true about the subsequent opening of the database?()A The database would open normally.B The database would not open, and it would stop ...
问题: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....
问题:多选题Your boss at Certkiller .com wants you to clarify Oracle 10g. Which two steps are performed the first time any UPDATE statement is issued after the instance is started?()ACreating the parse tree of the statementBWriting the modified data blocks to the ...
问题:单选题The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column. Which type of index would you suggest to improve the...
问题:单选题You find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You sus...
问题:多选题Which two statements about bigfile tablespaces are true? ()AThe bigfile tablespace have only one data file.BThe segment space management is automatic.CThe extent management is dictionary managed.DThe database can have only one bigfile tablespace.EThe b...
问题:单选题In your database,the STATISTICS_LEVEL initialization parameter is set to BASIC. What is the impact of this setting?()A The optimizer statistics are collected automatically.B Only the timed operating system (OS) statistics and plan execution statistics ...
问题:单选题Where do you find information about a missing redo log file?()A trace fileB audit trailC control fileD alert log fileE event viewer...
问题: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 o...
问题:单选题Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning, media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.What would you do in this situ...
问题:单选题In your database, UNDO_RETENTION has been set to 600 sec and UNDO tablespace is configured for RETENTION GUARANTEE. Which statement regarding RETENTION GUARANTEE is true? ()A Undo data is retained until the next full database backup.B No committed undo...
问题:单选题Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member, which is not a member of the current group. How would you reco...
问题:单选题The SAVE_AMT column in the ACCOUNTS table contains the balance details of customers in a bank. As part of the year/x7fend tax and interest calculation process, all the rows in the table need to be accessed. The bank authorities want to track access to ...
问题:单选题You observe that in your PROD database, customer information is being modified by some unauthorized users. You want to keep track of all of the transactions happening on the table using PL/SQL. Which type of PL/SQL subprogram or construct would you use...