当前分类: 1Z0-042
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...
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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: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You executed the following command to start the database: SQL STARTUP ORACLE instance started. Total System Global Area 281018368 bytes Fixed Size 789000 bytes Variable Size 229635576 bytes Database Buffers 50331648 bytes Redo Buffers 262144 byt...
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: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:单选题Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true? ()A Transactions are rolled back using redo log files.B Transactions are rolled forward using redo lo...
问题:多选题You started a long transaction. Before committing, you executed a query on one of the tables currently being modified. You received the following error: ORA-01555: snapshot too old How would you prevent such an error in the future?()Aguarantee undo ret...
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:多选题You decided to increase the value for the SHARED_SERVERS parameter by using the following command: SQL ALTER SYSTEM SET SHARED_|SERVERS=3 SCOPE=?; Which three values can be specified for the SCOPE clause?()AALLBPFILECBOTHDNONEESPFILEFMEMORYGINSTANCEH...
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Your boss at Certkiller .com wants you to clarify Oracle 10g. 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...
问题:多选题On which three can you use Recovery Manager (RMAN) to perform incremental backup?()Adata filesBcontrol filesCtablespacesDpassword fileEparameter fileFwhole databaseGflashback log fileHarchived log filesIchange tracking file...
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 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...
问题:单选题Your database performance has degraded due to frequent checkpointing. What would you do in this scenario?()A make redo log files smallerB increase the size of the checkpoint fileC make the changes as per the advice given by MTTR AdvisorD make the chang...
问题:多选题Which two statements about Automatic Storage Management (ASM) are true?()AASM provides mirroring on file by file basis.BASM provides automatic load balancing across all ASM disks.CASM supports the Oracle database and operating system files.DASM can be ...
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 work as a database administrator for Certkiller .com. In your database server, the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve?()A It degrades the run time and compiler performance.B It provides better run time...