单选题A user sends you an email with the following error message： create table idtable（id number） * ERROR at line 1： ORA- 01110： data file 4： ，，/oracle01/oradata/orcl/users01.dbf ORA-27041： 01116： error in opening database file 4 ORA-unable to open file Linux Error： 2： No such file or directory Additional information： 3 You can choose from the following steps： a. Restore the missing database datafiles. b. Take the missing datafile offline. c. Shut down the database. d. Issue the recover tablespace USERS command. e. Issue the Startup Mount command to mount the database. f. Bring the USERS tablespace online. g. Issue the alter database open command. Which is the correct order of these steps in this case？（）Ab， a， d， fBc， a， e， b， d， f， gCc， e， d， gDb， d， f Ee， d， g
单选题
A user sends you an email with the following error message： create table idtable（id number） * ERROR at line 1： ORA- 01110： data file 4： ，，/oracle01/oradata/orcl/users01.dbf ORA-27041： 01116： error in opening database file 4 ORA-unable to open file Linux Error： 2： No such file or directory Additional information： 3 You can choose from the following steps： a. Restore the missing database datafiles. b. Take the missing datafile offline. c. Shut down the database. d. Issue the recover tablespace USERS command. e. Issue the Startup Mount command to mount the database. f. Bring the USERS tablespace online. g. Issue the alter database open command. Which is the correct order of these steps in this case？（）
A
b， a， d， f
B
c， a， e， b， d， f， g
C
c， e， d， g
D
b， d， f
E
e， d， g
参考解析
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You executed the following command:RMAN RECOVER COPY OF DATAFILE ‘／u01／app／oracle／oradata／orcl／users01.dbf‘;Which statement regarding the above command is correct?() A. The ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file is recovered from the image copyB. The ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file is recovered from the last incremental backupC. Image copies of the ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file are updated with all changes up to incremental backup SCN. ‘/ u01/app/oracle/oradata/orcl/users01.dbfD. Image copies of the ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file are recovered using the above command if data file recovery fails
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You are a Database Administrator with WonderWeb. You use a password file to establish connections to the Sales database located on the server. You created the password file using the following command： ORAPWD file=d：/oracle/ora9i/orapwU01 password=admin entries=4 You erroneously deleted the password file while the database was running. You re-create the password file using the following command： ORAPWD file=d：/oracle/ora9i/orapwU01 password=change_on_install entries=4 However， when you try to connect as the SYS user， you receive the following error： ORA-01031： insufficient privileges What should you do to resolve this error？（）A、 Delete the newly created password file and re-create another password file with the password admin， without shutting down the database.B、 Enable the operating system authentication， shut down the database， disable the operating system authentication， and restart the database using the password file.C、 Enable the operating system authentication， shut down the database， re-create the password file using the same ORAPWD command， and restart the database using the password file.D、 Delete the newly created password file， enable operating system authentication and shut down the database. Then， re-create another password file using the same ORAPWD command and restart the database using this password file.
A user executes a query on the EMPtable， which contains thousands of rows， to get details about employees in one of the departments. The user receives the following error： SQL SELECT ename FROM emp WHERE deptno=10 ORDER BY sal； SELECT ename FROM emp WHERE deptno=10 ORDER BY sal ERROR at line 1： ORA-01157： cannot identify/lock data file 201 - see DBWR trace file ORA-01110： data file 201：’/u01/app/oracle/oradata/orcl/temp01.dbf’ What is a possible reason？（）A、 The tempfile belonging to the default temporary tablespace is missing.B、 The database is opened in restricted mode， so queries are not allowedC、 The default temporary tablespace required to execute the query is offline.D、 The default temporary tablespace required to execute the query is dropped.E、 The default temporary tablespace required to execute the query is read-only.
The user HR receives the following error while inserting data into the TTK table： ERROR at line 1： ORA-01653： unable to extend table HR.TTK by 128 in tablespace SMDUpon investigation， you find that SMD is a small file tablespace. Which three action would allow the user to insert data（）A、Add a data file to the SMD tablespace.B、Add a data file to the temporary tablespace associated with the user HR.C、Resize the data file associated with the SMD tablespace to make it larger.D、Alter the data file associated with the SMD tablespace to grow automatically.E、Change the segment space management for the SMD tablespace to automatic. n segments is managed through free lists.
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单选题A user reports their system is displaying an error message ‘NTLDR is missing’. Which of the following is the MOST likely cause for this error?（）ABOOT.INI file is configured incorrectlyBCorrupt MBRCBoot sector virusDSystem file is missing components
单选题A user sends you an email with the following error message： create table idtable（id number） * ERROR at line 1： ORA- 01110： data file 4： ，，/oracle01/oradata/orcl/users01.dbf ORA-27041： 01116： error in opening database file 4 ORA-unable to open file Linux Error： 2： No such file or directory Additional information： 3 You can choose from the following steps： a. Restore the missing database datafiles. b. Take the missing datafile offline. c. Shut down the database. d. Issue the recover tablespace USERS command. e. Issue the Startup Mount command to mount the database. f. Bring the USERS tablespace online. g. Issue the alter database open command. Which is the correct order of these steps in this case？（）Ab， a， d， fBc， a， e， b， d， f， gCc， e， d， gDb， d， f Ee， d， g
单选题Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning， while querying the user1.employees table， you receive the following error message： 01578： ORACLE data block corrupted （file # 5， block # 51） ORA/x7f01110： data file 5： ’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following： The data file should remain online. The mean time to recover （MTTR） should be minimal. You are not using a backup control file， and all the archived logs are accessible. Which option would you choose？（）Aflash back the corrupted blocksBuse the DBMS_REPAIR packageCuse the RMAN TSPITR commandDuse the RMAN BLOCKRECOVER commandEuse the RESTORE DATABASE and RECOVER DATABASE commandsFinvestigate the time at which the corruption occurred and perform a pointintime recovery
单选题A user executes a query on the EMPtable， which contains thousands of rows， to get details about employees in one of the departments. The user receives the following error： SQL SELECT ename FROM emp WHERE deptno=10 ORDER BY sal； SELECT ename FROM emp WHERE deptno=10 ORDER BY sal ERROR at line 1： ORA-01157： cannot identify/lock data file 201 - see DBWR trace file ORA-01110： data file 201：’/u01/app/oracle/oradata/orcl/temp01.dbf’ What is a possible reason？（）A The tempfile belonging to the default temporary tablespace is missing.B The database is opened in restricted mode， so queries are not allowedC The default temporary tablespace required to execute the query is offline.D The default temporary tablespace required to execute the query is dropped.E The default temporary tablespace required to execute the query is read-only.
单选题You are a Database Administrator with WonderWeb. You use a password file to establish connections to the Sales database located on the server. You created the password file using the following command： ORAPWD file=d：/oracle/ora9i/orapwU01 password=admin entries=4 You erroneously deleted the password file while the database was running. You re-create the password file using the following command： ORAPWD file=d：/oracle/ora9i/orapwU01 password=change_on_install entries=4 However， when you try to connect as the SYS user， you receive the following error： ORA-01031： insufficient privileges What should you do to resolve this error？（）A Delete the newly created password file and re-create another password file with the password admin， without shutting down the database.B Enable the operating system authentication， shut down the database， disable the operating system authentication， and restart the database using the password file.C Enable the operating system authentication， shut down the database， re-create the password file using the same ORAPWD command， and restart the database using the password file.D Delete the newly created password file， enable operating system authentication and shut down the database. Then， re-create another password file using the same ORAPWD command and restart the database using this password file.
单选题You executed the following command： RMAN RECOVER COPY OF DATAFILE ’/u01/app/oracle/oradata/orcl/users01.dbf’； Which statement regarding the above command is correct？（）A The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the image copy.B The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the last incremental backup.C Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are updated with all changes up to incremental backup SCN.D Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are recovered using the above command if data file recovery fails.
单选题A user executes a query on the EMP table， which contains thousands of rows， to get details about employees in one of the departments. The user receives the following error： SQL SELECT ename FROM emp WHERE deptno=10 ORDER BY sal; SELECT ename FROM emp WHERE deptno=10 ORDER BY sal * ERROR at line 1： ORA/x7f01157： cannot identify/lock data file 201 /x7f see DBWR trace file ORA/x7f01110： data file 201： ’/u01/app/oracle/oradata/orcl/temp01.dbf’ What is a possible reason？（）AThe tempfile belonging to the default temporary tablespace is missing.BThe database is opened in restricted mode， so queries are not allowed.CThe default temporary tablespace required to execute the query is offline.DThe default temporary tablespace required to execute the query is dropped.EThe default temporary tablespace required to execute the query is readonly.
单选题You have lost all your online redo logs. As a result， your database has crashed. You have tried to restart the database and clear the online redo log files， but when you try to open the database you get the following error. SQL startup ORACLE instance started. Total System Global Area 167395328 bytes Fixed Size 1298612 bytes Variable Size 142610252 bytes Database Buffers 20971520 bytes Redo Buffers 2514944 bytes Database mounted. ORA-00313： open failed for members of log group 2 of thread 1 ORA-00312： online log 2 thread 1： ，，/oracle01/oradata/orcl/redo02a.log ORA-27037： unable to obtain file status Linux Error： 2： No such file or directory Additional information： 3 ORA-00312： online log 2 thread 1： ，，/oracle01/oradata/orcl/redo02.log ORA-27037： unable to obtain file status Linux Error： 2： No such file or directory Additional information： 3 SQL alter database clear logfile group 2； alter database clear logfile group 2 * ERROR at line 1： ORA-01624： log 2 needed for crash recovery of instance orcl （thread 1） ORA-00312： online log 2 thread 1： ，，/oracle01/oradata/orcl/redo02.log ORA-00312： online log 2 thread 1： ，，/oracle01/oradata/orcl/redo02a.log What steps must you take to resolve the error？（） a. Issue the recover database redo logs command. b. Issue the Startup Mount command to mount the database. c. Restore the last full database backup. d. Perform a point-in-time recovery， applying all archived redo logs that are available. e. Restore all archived redo logs generated during and after the last full database backup. f. Open the database using the alter database open resetlogs command. g. Issue the alter database open command.Ab， a， fBe， b， a， fCe， b， a， gDb， a， gEc， e， b， d， f
单选题You executed the following command: RMAN RECOVER COPY OF DATAFILE '/u01/app/oracle/oradata/orcl/users01.dbf'; Which statement regarding the above command is correct?（）AThe '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the image copyBThe '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the last incremental backupC Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are updated with all changes up to incremental backup SCN. '/ u01/app/oracle/oradata/orcl/users01.dbfDImage copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are recovered using the above command if data file recovery fails