问题:You want to create a new optimized database for your transac...
查看答案
问题:You execute the following command to audit the database acti...
问题:单选题You work as a database administrator for Supportcenter.cn. You are using Recovery Manager (RMAN) for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scena...
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:Your database is in NOARCHIVELOG mode and a logswitch happen...
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You work as a database administrator for Supportcenter.cn. Client connection requests are failing because the listener is not responding. You want to forward client connect requests to another listener if one listener is not responding. How do you achi...
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While setting up the database for your production environment, you want to create a user with following requirements. 1.The objects created by the user must be stored in a tablespace, TBS1, if the TABLESPACE option is not defined during the object c...
问题:单选题The operating system file cratab in the Linux platform gets updated whenever you create a new database on the same host machine. What kind of information is stored is stored in this file?()A OracleSIDsonlyB Oracle homes onlyC Oracle install timestampD ...
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:You have created a baseline metric, DISK_IO_BL, for the disk...
问题:When you try to open your database, you receive the followin...
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...