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 creation. 2.The user should be able to use 10MB of space in the tablespace TBS1. 3.The user must change the password immediately after logging in for the first time. Which three options of the CREATE USER command would you use to achieve this objective?()AprofileBaccount lockCaccount unlockDpassword expireEquota 10MB on TBS1Fpassword never expireGdefault tablespace TBS1Hquota unlimited on TBS1Itemporary tablespace TEMPJtemporary tablespace SYSTEM
Tuesday, January 24, 2023
问题:单选题You work as a database administrator for Certkiller .com. The database is open. A media failure has occurred, resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario?()A The instance would hang.B The instance needs to be shut down.C The instance would be in the open state.D The instance would abort in such cases.E The instance would be in the open and invalid state.F The instance would in the open state, but all the background processes will be restarted.
Monday, May 8, 2023
问题:单选题You executed the following command in the lsnrctl utility to stop the listener: lsnrctl> STOP L1 What is the effect of this command if L1 is the only listener configured for your database?()A It terminates all user sessions.B It prevents users from logging in to the database remotely.C It halts the server until all user transactions are completed.D The server hangs, so users will receive an error asking them to login again.E Connected users would get an error with the message End of communication channel.
Wednesday, January 31, 2024
问题:单选题You work as a database administrator for Supportcenter.cn. Because of space constraints, you decided to manually shrink the table. You executed the ALTER TABLE ....SHRINK SPACE statement to shrink the space and you receive an error as follows: ERROR at Line 1: ORA-10635: Invalid segment or tablespace type What could be the reason? ()A The table is partitionedB The table name is wrong.C It is an index-Organized table (IOT)D The table is stored in locally managedtablespace.E The table is stored in atablespacewhere segment space is managed manually.
Sunday, April 30, 2023
问题:多选题You work as a database administrator for Certkiller .com. Your database is in the MOUNT state and you execute the following command to open it ALTER DATABASE OPEN; What two actions are performed as a result of this command?()AAll control files are openedBAll redo files are openedCThe password file is openedDThe parameter file is openedEAll online data files are opened
Tuesday, October 17, 2023
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. What would happen to the modified blocks when the CKPT process is started?()A The modified blocks would be written to the data files.B The modified blocks would be written to the temp files.C The modified blocks would be written to the control file.D The modified blocks would be written to the redo log files.E The modified blocks would be written to the archived redo log files.F The modified blocks would be retained in the database buffer cache.
Monday, March 18, 2024
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 the rows containing balance amounts exceeding $200,000, and then send an alert message to the administrator. Which method would you suggest to the bank for achieving this task?()A implementing valuebased auditing by using triggersB implementing finegrained auditing with audit condition and event handlerC performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL parameter to EXTENDEDD performing standard database auditing to audit SQL statements with granularity level set to ACCESS
Thursday, May 11, 2023
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 to accomplish this task?()A functionsB packagesC proceduresD database triggersE anonymous PL/SQL block
Friday, April 14, 2023
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 starting up the database againC by using the CATALOG command of RMAND by using the RECOVER CATALOG command in RMANE by re-creating the target control file to rebuild the RMAN repository
问题:多选题When you try to start the Database Control by using the emctl start dbconsole command the following error is displayed: TZ set to America/New_york OC4J Configuration issue. /u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.com not found. Which two environment variables do you need to set appropriately to avoid such errors and start the Database Control successfully?()ANLS_LANGBORACLE_SIDCORACLE_HOMEDORACLE_BASEELD_LIBRARY_PATH
Wednesday, June 14, 2023
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 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.
Sunday, December 10, 2023
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 data will be overwritten for 10 minutes.C Committed undo data will be kept forever if not overwritten within 600 seconds.D Guarantees that requested undo information are available until the instance is shut down.
问题:单选题In which situation would you use the Oracle Shared Server configuration?()A when performing export and import using Oracle Data PumpB when performing backup and recovery operations using Oracle Recovery ManagerC when performing batch processing and bulk loading operation in a data warehouse environment D in an online transaction processing (OLTP) system where large number of client sessions are idle most of the time
Thursday, March 23, 2023
问题:单选题Your database is in the NOARCHIVELOG mode. Since last night’s offline backup, the logs in group 1 have been written to twice. This morning, the SYSTEM data file has become corrupted. Up to what point can it be recovered?()A until the last commitB cannot be recoveredC until the last offline backupD until the beginning of the last transaction
Tuesday, September 20, 2022
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.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.
Monday, January 15, 2024
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 bigfile tablespace can be converted to a smallfile tablespace.
Wednesday, March 22, 2023
问题:单选题You work as a database administrator for Supportcenter.cn. While granting a role, SELECT_CATALOG_ROLE, to a user, SupportCenter, using Oracle Enterprise Manager 10g Database Control, you have cleared the DEFAULT check box. What will be the result?()A The user cannot use the role at all.B The role would not be granted to the user.C The user needs to enable the role explicitly.D The user can start using the role immediately.E The user would have the admin option for the role.
Sunday, January 14, 2024
问题:单选题Your alert log file has the following information: Tue May 25 17:43:38 2004 ORA-00060: Deadlock detected. More info in file /u01/app/oracle/admin/ORCL/udump/orcl_ora_3173.trc. What would you do to ensure that database is still running correctly?()A examine the trace file and kill the session that caused the deadlockB examine the trace file and kill both the sessions responsible for the deadlockC examine the trace file for details and ask the user who caused the deadlock to roll back the transactionD examine the trace file for details and remember that deadlocks are resolved automatically by Oracle databaseE examine the trace file for details and use the Undo Advisor to rollback the transaction that caused the deadlock
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 query performance?()A B-treeB bitmapC reverse keyD function based
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