问题:单选题After the recovery is complete, which command should you execute?()A ALTER DATABASE OPEN;B ALTER DATABASE CLEAR LOGFILE;C ALTER DATABASE OPEN RESETLOGS;D ALTER DATABASE OPEN NORESETLOGS;
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问题:单选题Your database is set in NOARCHIVELOG mode and is backed up every night. There are 10 redo log groups on the database, each with three members, making a total of 30 redo log files. At lunchtime the server unexpectedly gets shut down. Upon restarting you notice that the data file belonging to the SYSTEM tablespace has become corrupted. You also notice that there have been 15 log switches during the day. Which solution should you use to recover as much committed data as possible?()A Restore the data file for the SYSTEM tablespace then open the database. B Restore all redo logs form last night's backup, then restart the database. C Perform a complete restore of all files from last night's backup. Data entered into the database today must be reentered. D Mount the instance, take the SYSTEM tablespace offline, open the database, and then restore the data file, recover it, and bring the tablespace online.
问题:单选题Which of the following would you use to enable automatic media recovery for a database?()A SET AUTORECOVERY ONB SET RECOVERY ONC SET AUTO OND You cannot enable automatic media recovery.
问题:多选题Some data storage and transfer media have fixed-length physical records. When the data records are short, more then one can be stored in a single, physical record to use the storage space efficiently. Consider this data: 1119 Smith 1120 Yvonne 1121 Albert 1130 Thomas Which two statements can you use to load the data into the EMP table?()AABBCCDD
问题:单选题What is the new Oracle Shared Server?()A An improved version of multithreaded server configuration. B A connection pooling configuration where several clients are connected to the same server process. C Two more database servers, which share data by means of database links; the client software is unaware to which server it is connected. D A configuration of Real Application Cluster where the client connection is routed to the least busy instance.
问题:单选题How can you make a shared server-side initialization parameter file available to all instances of a Real Application Clusters database?()A Include an SPFILE parameter in each instance-specified initialization file.B Create an SPFILE copy on each client from which the instance will be started.C Store the SPFILE in a raw partition with a vendor-specifies location and name.D Use a single client to start the instances and create the SPFILE on this client.
问题:单选题Users complain SQL statements using a particular index fail. Using DBVERIFY, you find that two separate blocks in the index have become corrupt. The database data files for user data and index are very large. What is the least disruptive recover strategy available in Oracle9i?()A Rebuild the index using the online option. B Take the individual data file offline (not the whole tablespace), restore and recover the data file from backup with RMAN, then set the data file online again. C Without setting the individual data file offline, use RMAN with Block Media Recovery to restore and recover only those blocks. D Take the individual data file (not the whole tablespace) offline, use RMAN with Block Media Recovery to restore and recover only those blocks, then set the data file online again.
问题:单选题What is true if you want to switch undo tablespaces from the current one, called UNDO1, to a new one called UNDO2?()A It is NOT possible to switch unless no active transaction exist in UNDO1. B It is possible to switch to UNDO2; but current active transactions will abort. C It is possible to switch to UNDO2; current active transactions will be automatically migrated to UNDO2. D It is possible to switch to UNDO2; only current active transactions will continue to execute inside UNDO1.
问题:单选题There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk; it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available?()A Only bring the tablespace back online.B Only recover the tablespace and then bring the tablespace back online.C Shut down the database, recover the data file and then start up the database.D Issue the ALTER DATABASE RENAME FILE command, recover the tablespace, and then bring the tablespace online.E Recover the tablespace, issue the ALTER DATABASE RENAME FILE command, and then bring the tablespace online.
问题:单选题You are configuring the listener on your server. Which listener.ora parameter contains the information needed to detect session requests from different client types?()A ADDRESS_LISTB SID_NAMEC LISTENERD SERVICE_LIST
问题:单选题What is the maximum database block size supported for the Oracle9i database?()A 16KBB 32KBC 64KBD 128KB
问题:多选题Archive file format LOG_ARCHIVE_FORMAT is defined as arch_%s.arc. A week ago, you just archived arch_4.arch to tape, then removed all archived files to save disk space. Yesterday you saw arch_10.arc and arch_11.arc on the disk. Today, you see arch_3.arc in the archive directory. Which two could you happened?()ARedo logs were restored from tape for recovery.BThe file names are only used when they are copied to tape.CThe database was opened with the RESETLOGS option and log numbers restarted.DLog names run in circular fashion; arch_3.arc is re-created by the ARCn process.EA file name is randomly chosen by the archive process; as long as it is unique, it does not have to be sequential.
问题:多选题Oracle Net is responsible for establishing and maintaining the connection between the client application and the server. On the client side, Oracle Net is responsible for which three connectivity issues?()AThe location of the server.BThe Oracle user being connected.CPrivileges and role information.DProtocol involved in the connection.EHow to handle exceptions and interrupts.
问题:单选题What is true about this statement used during import?() imp hr/hr tables= (employee, departments) file=hr.dmp ignore=yA It ignores duplicates.B It prevents character set translation on import.C It allows rows to be inserted into a table that already exists.D It ignores storage parameters in the DML executed during import.
问题:单选题The client connected to the database turns off his or her machine without exiting from a connection to the database. Which type of failure is this?()A mediaB instanceC statementD user process
问题:单选题The database was started up using a text parameter file. What will be the default scope of changes made by using the SET clause of the ALTER SYSTEM statement?()A Only MEMORY is updated.B Only SPFILE values are updated.C Only init.ora parameters are updated.D Both init.ora parameters and SPFILE values are updated.
问题:多选题Which four occur during the processing of a request using Oracle Shared Server?()AThe dispatcher returns the response to the user.BThe dispatcher places the request into the request queue.CThe shared server places the response in the response queue.DThe response is handed off to the next available dispatcher.EA shared server picks up the request from the request queue and processes the request.
问题:多选题Which two are characteristics of user-managed backup and recovery operations?()ARecovery is initiated using SQL*Plus.BDatabase files are backed up using SQL commands.CDatabase files are backed up with Recovery Manager.DDatabase files are restored using Recovery Manager.EDatabase files are backed up using operating system commands.
问题:单选题Which statement correctly describes the function of Oracle9i Cache Fusion feature?()A It provides each session with its own view of the database at a different point in the past. B It enables you to execute scalable applications on a clustered database without having to partition the users or the database tables. C It lets you dynamically reassign memory in your database buffer cache to different block buffer sizes. D It allows you to add new sites to multimaster replication environment without quiescing the master definition site.