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单选题
Twenty database users are connected to your database. Five of the users are running long queries involving sort operations. The TEMP tablespace is the default temporary tablespace for your database. You are performing offline tablespace backups of individual tablespaces and erroneously execute the following statement： SQL>ALTER TABLSPACE temp OFFLINE NORMAL； What is the result of this statement？（）
A
The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected after their queries complete.
B
The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected and must re-execute their queries.
C
The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are not disconnected， but these users must re-execute their queries.
D
The TEMP tablespace is not taken offline. The users using the TEMP tablespace for sorting are not disconnected， and their queries execute successfully.
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更多 “单选题Twenty database users are connected to your database. Five of the users are running long queries involving sort operations. The TEMP tablespace is the default temporary tablespace for your database. You are performing offline tablespace backups of individual tablespaces and erroneously execute the following statement： SQLALTER TABLSPACE temp OFFLINE NORMAL； What is the result of this statement？（）A The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected after their queries complete.B The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected and must re-execute their queries.C The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are not disconnected， but these users must re-execute their queries.D The TEMP tablespace is not taken offline. The users using the TEMP tablespace for sorting are not disconnected， and their queries execute successfully.” 相关考题
考题
You create a new pluggable database, HR_PDB, from the seed database. Which three tablespaces arecreated by default in HR_PDB?()
A.SYSTEMB.SYSAUXC.EXAMPLED.UNDOE.TEMPF.USERS
考题
You are the database administrator of a SQL Server 2000 computer. The server contains your company's Accounts database. Hundreds of users access the database each day.Because you have had power interruptions in the past, you want to perfect the physical integrity of the Accounts database. You do not want to slow down server operations.What should you do?A．Enable the torn page detection database option for each database.B．Disable write caching on all disk controllers.C．Ensure that write caching disk controllers have battery backups.D．Create a database maintenance plan to check database integrity and make repairs each night.
考题
Twenty database users are connected to your database. Five of the users are running long queries involving sort operations. The TEMP tablespace is the default temporary tablespace for your database. You are performing offline tablespace backups of individual tablespaces and erroneously execute the following statement： SQLALTER TABLSPACE temp OFFLINE NORMAL； What is the result of this statement？（）A、 The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected after their queries complete.B、 The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected and must re-execute their queries.C、 The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are not disconnected， but these users must re-execute their queries.D、 The TEMP tablespace is not taken offline. The users using the TEMP tablespace for sorting are not disconnected， and their queries execute successfully.
考题
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".
考题
You create a new pluggable database, HR_PDB, from the seed database. Which three tablespaces arecreated by default in HR_PDB?（）A、SYSTEMB、SYSAUXC、EXAMPLED、UNDOE、TEMPF、USERS
考题
You need to design a configuration for Exchange Server storage that meets the business and technical requirements. What should you do？（）A、Create a single storage group. Create one database for all usersB、Create two storage groups. In each storage group， create one database. Place mailboxes for remote users in one storage group database， and place all other mailboxes in the other storage group databaseC、Create two storage groups. In each storage group， create one database. Place executive mailboxes in one storage group database， and place all other mailboxes in the other storage group databaseD、Create two storage groups. In one storage group， create a database， and place all mailboxes for remote users and executives in the database. In the other storage group， create a database for all other mailboxes
考题
Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command： LSNRCTL STOP What would happen to the sessions that are presently connected to the database instance？（）A、The sessions are able to perform only queries.B、The sessions are not affected and continue to function normally.C、The active transactions are rolled back and the sessions get terminated.D、The sessions are not allowed to perform any operations till the listener is started.
考题
You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）A、Restore and recover the datafile. B、Restore and recover the tablespace. C、Restore and recover the database. D、Restore and recover the control file. E、Restore and recover the parameter file.
考题
You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）A、renaming the control filesB、dropping a user in your databaseC、enabling or disabling redo log archivingD、dropping a tablespace in your databaseE、re-creating the control files， after you lost all the control files in your database
考题
Your database has experienced a loss of datafile users_01.dbf， which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error？（） a. Shut down the database. b. Take the users_01.dbf datafile offline with the alter database command. c. Restore the users_01.dbf datafile from backup media with the required archived redo logs. d. Restore all users tablespace-related datafiles from backup media. e. Issue the recover tablespace users command. f. Issue the recover datafile users_01.dbf command. g. Start up the database. h. Bring the users_01.dbf datafile online with the alter database command. A、a， c， f， gB、b， c， f， hC、a， b， c， f， gD、a， b， c， f， g， hE、b， c， f， e， g
考题
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.
考题
Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10：00 P.M. and 10：30 P.M. The next day， you decide to flash back the database. Before you flash back the database， you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table？（）A、 V$DATABASEB、 V$UNDOSTATC、 V$FLASHBACK_DATABASE_LOGD、 V$FLASHBACK_DATABASE_STAT
考题
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
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考题
单选题You are about to create your Oracle data dictionary for use with the database. Which of the following users would you connect to the database as for this purpose in Oracle9i and later releases?（）A
SYSTEM B
OUTLN C
INTERNAL D
SYS
考题
单选题You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）A
renaming the control filesB
dropping a user in your databaseC
enabling or disabling redo log archivingD
dropping a tablespace in your databaseE
re-creating the control files， after you lost all the control files in your database
考题
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User user = // retrieve the User object from the database session.setDurationInterval（user.getSessionDuration（））；B
User user = // retrieve the User object from the database session.setMaxDuration（user.getSessionDuration（））；C
User user = // retrieve the User object from the database session.setInactiveInterval（user.getSessionDuration（））；D
User user=//retrieve the User object from the database session.setDuration（user.getSessionDuratio（））；E
User user = // retrieve the User object from the database session.setMaxInactiveInterval（user.getSessionDuration（））；
考题
单选题ou need to configure fine-grained access control to external network resources from within your database. You create an access control list （ACL） using the DBMS_NETWORK_ACL_ADMIN package. Which statement is true regarding the ACL created？（）A
It is a list of remote database links stored in the XML file that are available to the users of the database.B
It is a list of users and network privileges stored in the XML file according to which a group of users can connect to one or more hosts.C
It is a list of users and network privileges stored in the data dictionary according to which a group of users can connect to one or more hosts.D
It is the list of the host names or the IP addresses stored in the data dictionary that can connect to your database through PL/SQL network utility packages such as UTL_TCP.
考题
单选题Two data files have been deleted at the operating system level by accident. Your database is running in ARCHIVELOG mode and online backups are taken nightly. One of the data files that has been deleted belongs to the USERS tablespace on the other belongs to the SYSTEM tablespace. How can you recover from this situation？（）A
Shut down the database, restore the two data files and then start up the database. B
Take the system and users tablespace offline, restore the two data files, recover the two datafiles, and then bring the SYSTEM and USERS tablespaces online. C
Shut down the database, restore the two data files, start up the database in MOUNT mode, recover the two data files, and then alter the database open. D
Take the SYSTEM and USERS tablespaces offline, recover the two datafiles and then bring the SYSTEM and USERS tablespaces online.
考题
多选题Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?（）ABACKUP PLUGGABLE DATABASE PDB1 while connected to the root containerBBACKUP PLUGGABLE DATABASE PDB1 while connected to the PDB1 containerCBACKUP DATABASE while connected to the PDB1 containerDBACKUP DATABASE while connected to the boot containerEBACKUP PLUGGABLE database PDB1 while connected to PDB2
考题
单选题Twenty database users are connected to your database. Five of the users are running long queries involving sort operations. The TEMP tablespace is the default temporary tablespace for your database. You are performing offline tablespace backups of individual tablespaces and erroneously execute the following statement： SQLALTER TABLSPACE temp OFFLINE NORMAL； What is the result of this statement？（）A
The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected after their queries complete.B
The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected and must re-execute their queries.C
The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are not disconnected， but these users must re-execute their queries.D
The TEMP tablespace is not taken offline. The users using the TEMP tablespace for sorting are not disconnected， and their queries execute successfully.
考题
单选题Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command： LSNRCTL STOP What would happen to the sessions that are presently connected to the database instance？（）A
The sessions are able to perform only queries.B
The sessions are not affected and continue to function normally.C
The active transactions are rolled back and the sessions get terminated.D
The sessions are not allowed to perform any operations till the listener is started.
考题
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
考题
单选题You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?（）A
Writes buffers to disk B
Writes current redo log number to datafile headers C
Writes redo log information to disk D
Reads information into memory for users
考题
单选题You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）A
Restore and recover the datafile. B
Restore and recover the tablespace. C
Restore and recover the database. D
Restore and recover the control file. E
Restore and recover the parameter file.
考题
单选题An employee cannot access the company database. You check the connection variables: What is a valid explanation for why one of the users is unable to connect to the database?（）A
Bob has max_user_connections set to zero, which blocks all his connectionsB
Joe has exceeded the max_user_connections global limitC
All users are blocked because max_user_connections is accumulated over the host account informationD
Kay is already connected elsewhere and attempting to log in againE
Connect_timeout is too small to allow a connection to occur
考题
单选题Your database has experienced a loss of datafile users_01.dbf， which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error？（） a. Shut down the database. b. Take the users_01.dbf datafile offline with the alter database command. c. Restore the users_01.dbf datafile from backup media with the required archived redo logs. d. Restore all users tablespace-related datafiles from backup media. e. Issue the recover tablespace users command. f. Issue the recover datafile users_01.dbf command. g. Start up the database. h. Bring the users_01.dbf datafile online with the alter database command.A
a， c， f， gB
b， c， f， hC
a， b， c， f， gD
a， b， c， f， g， hE
b， c， f， e， g
考题
单选题You want to monitor and control the resource usage by sessions. You want to be warned automatically when more than 100 sessions are opened with your database. What action would you take to achieve this？（）A
Use the Database Resource Manager.B
Set the limits in the profiles used by users.C
Modify the SESSIONS initialization parameter.D
Set the warning threshold for the Current Logons Count metric.
考题
单选题You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）A
Restore all the data files and open the databaseB
Create the data file and performtablespacerecoveryC
No need to restore any file， just recover the databaseD
Restore only the system data file and recover the databaseE
Restore only lost date file and performtablespacerecovery
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