单选题Upon starting your database， you receive the following error：   SQL> startup ORACLE instance started.  Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 

题目
单选题
Upon starting your database， you receive the following error：   SQL> startup ORACLE instance started.  Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 bytes Database mounted.  ORA-00313： open failed for members of log group 1 of thread 1  ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01.log’ ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01a.log’   You can choose from the following steps：   a. Restore the database datafiles.  b. Issue the alter database clear unarchived logfile group 1 command. c. Issue the alter database open command.  d. Issue the alter database open resetlogs command.  e. Recover the database using point-in-time recovery. f. Issue the Startup Mount command to mount the database.  g. Back up the database.  Which is the correct order of these steps in this case？（）
A

a， f， e， d， g

B

f， e， d

C

f， b， c， g

D

a， f， c

E

The database cannot be recovered.

相似考题

1.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

2. Upon starting your database， you receive the following error：   SQL> startup ORACLE instance started.  Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 bytes Database mounted.  ORA-00313： open failed for members of log group 1 of thread 1  ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01.log’ ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01a.log’   You can choose from the following steps：   a. Restore the database datafiles.  b. Issue the alter database clear unarchived logfile group 1 command. c. Issue the alter database open command.  d. Issue the alter database open resetlogs command.  e. Recover the database using point-in-time recovery. f. Issue the Startup Mount command to mount the database.  g. Back up the database.  Which is the correct order of these steps in this case？（）A、a， f， e， d， gB、f， e， dC、f， b， c， gD、a， f， cE、The database cannot be recovered.

3.Which of the following is true about the MPLS header and its EXP field size？（）A、The MPLS header is 2 bytes，and the EXP field is 3 bits long.B、The MPLS header is 1 byte，and the EXP field is 3 bits long.C、The MPLS header is 4 bytes，and the EXP field is 3 bits long.D、The MPLS header is 3 bytes，and the EXP field is 3 bits long.

4.What are the consequences of executing the SHUTDOWN ABORT command？ （）A、The database files are synchronized.B、Uncommitted changes are not rolled back.C、The database is closed， but the instance is still started.D、Database buffers and redo buffers are not written to the disk.E、The database undergoes automatic media recovery during the next startup.

参考答案和解析
正确答案： B
解析： 暂无解析
更多“单选题Upon starting your database， you receive the following error：   SQL startup ORACLE instance started.  Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 b”相关问题

  • 第1题：

    Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）

    • A、The retention period to support flashback
    • B、The expected length of the longest-running query
    • C、The number of undo tablespaces in the database
    • D、The size of the Flash Recovery Area for the database instance

    正确答案:A,B

  • 第2题：

    You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the log file size that should equal the minimum size of all the online redo log files. Which column will enable you to perform the desired task？（）

    • A、 the WRITES_LOGFILE_SIZE column of the V$INSTANCE_RECOVERY view
    • B、 the column of the V$INSTANCE_RECOVERY view
    • C、 the OPTIMAL_LOGFILE_SIZE column of the V$INSTANCE_RECOVERY view
    • D、 the LOG_FILE_SIZE_REDO_BLKS column of the V$INSTANCE_RECOVERY view

    正确答案:C

  • 第3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.

    正确答案:E

  • 第4题：

    You are working on a database， where you have three redo log groups. When the database is down for a backup， an operating system （OS） user deletes all the redo log files in a group. What will happen when you open your database？（）

    • A、 The instance starts， the database is mounted， but efforts to open the database fail， and an error about the missing redo log group is displayed.
    • B、 Before the instance starts， you receive an error about the missing redo log files of a group.
    • C、 The instance starts and the database opens with an error message written to the alert log file.
    • D、 The instance starts and the database opens because two redo log groups still exist.
    • E、 The instance starts and the database opens， but every attempt to write to redo log files fails with an error.

    正确答案:A

  • 第5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.

    • A、b， a， f
    • B、e， b， a， f
    • C、e， b， a， g
    • D、b， a， g
    • E、c， e， b， d， f

    正确答案:E

  • 第6题：

    单选题
    You receive the following error：   ORA-19804： cannot reclaim nnnnn bytes disk space from mmmmm limit   Identify the reason for receiving the above error message？（）
    A

     The sort area is very small.

    B

     There is no more space in the Undo tablespace.

    C

     The flash recovery area is full.

    D

     The online redo log file is full.


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    Upon starting your database， you receive the following error：   SQL> startup ORACLE instance started.  Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 bytes Database mounted.  ORA-00313： open failed for members of log group 1 of thread 1  ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01.log’ ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01a.log’   You can choose from the following steps：   a. Restore the database datafiles.  b. Issue the alter database clear unarchived logfile group 1 command. c. Issue the alter database open command.  d. Issue the alter database open resetlogs command.  e. Recover the database using point-in-time recovery. f. Issue the Startup Mount command to mount the database.  g. Back up the database.  Which is the correct order of these steps in this case？（）
    A

    a， f， e， d， g

    B

    f， e， d

    C

    f， b， c， g

    D

    a， f， c

    E

    The database cannot be recovered.


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the log file size that should equal the minimum size of all the online redo log files. Which column will enable you to perform the desired task？（）
    A

     the WRITES_LOGFILE_SIZE column of the V$INSTANCE_RECOVERY view

    B

     the column of the V$INSTANCE_RECOVERY view

    C

     the OPTIMAL_LOGFILE_SIZE column of the V$INSTANCE_RECOVERY view

    D

     the LOG_FILE_SIZE_REDO_BLKS column of the V$INSTANCE_RECOVERY view


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    You executed the following command to start the database：  SQL> STARTUP  ORACLE instance started.  Total System Global Area 281018368 bytes  Fixed Size 789000 bytes  Variable Size 229635576 bytes  Database Buffers 50331648 bytes  Redo Buffers 262144 bytes ORA-00205： error in identifying controlfile， check alert log for more info  Which view would you query at this stage to investigate this missing control file？（）
    A

    V$INSTANCE

    B

    V$CONTROLFILE

    C

    DBA_CONTROL_FILES

    D

    V$DATABASE_PROPERTIES

    E

    V$CONTROLFILE_RECORD_SECTION


    正确答案： D
    解析： 暂无解析

  • 第10题：

    多选题
    What are the consequences of executing the SHUTDOWN ABORT command？ （）
    A

    The database files are synchronized.

    B

    Uncommitted changes are not rolled back.

    C

    The database is closed， but the instance is still started.

    D

    Database buffers and redo buffers are not written to the disk.

    E

    The database undergoes automatic media recovery during the next startup.


    正确答案： B,C
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following is true about the MPLS header and its EXP field size？（）
    A

    The MPLS header is 2 bytes，and the EXP field is 3 bits long.

    B

    The MPLS header is 1 byte，and the EXP field is 3 bits long.

    C

    The MPLS header is 4 bytes，and the EXP field is 3 bits long.

    D

    The MPLS header is 3 bytes，and the EXP field is 3 bits long.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    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.
    A

    b， a， f

    B

    e， b， a， f

    C

    e， b， a， g

    D

    b， a， g

    E

    c， e， b， d， f


    正确答案： C
    解析： 暂无解析

  • 第13题：

    You executed the following command to start the database：  SQL> STARTUP  ORACLE instance started.  Total System Global Area 281018368 bytes  Fixed Size 789000 bytes  Variable Size 229635576 bytes  Database Buffers 50331648 bytes  Redo Buffers 262144 bytes ORA-00205： error in identifying controlfile， check alert log for more info  Which view would you query at this stage to investigate this missing control file？（）

    • A、V$INSTANCE
    • B、V$CONTROLFILE
    • C、DBA_CONTROL_FILES
    • D、V$DATABASE_PROPERTIES
    • E、V$CONTROLFILE_RECORD_SECTION

    正确答案:B

  • 第14题：

    You recently created a database and configured the SPFILE with the following parameter settings to ensure that Oracle automatically adjusts the memory for the Program Global Area （PGA）：   SORT_AREA_SIZE = 150M   HASH_AREA_SIZE = 150M   BITMAP_MERGE_AREA_SIZE = 150M   CREATE_BITMAP_AREA_SIZE = 150M   WORKAREA_SIZE_POLICY = AUTO   You have not included the PGA_AGGREGATE_TARGET initialization parameter in the SPFILE and the System Global Area （SGA） is currently sized at 4G.   What is the total PGA memory allocated across all database server processes？（）  

    • A、 10M
    • B、 400M
    • C、 600M
    • D、 800M

    正确答案:D

  • 第15题：

    You receive the following error：   ORA-19804： cannot reclaim nnnnn bytes disk space from mmmmm limit   Identify the reason for receiving the above error message？（）

    • A、 The sort area is very small.
    • B、 There is no more space in the Undo tablespace.
    • C、 The flash recovery area is full.
    • D、 The online redo log file is full.

    正确答案:C

  • 第16题：

    You have two databases， FINDB and PAYDB， on single operating system and using Optimal Flexible architecture （OFA）. FINDB is functional and is currently being accessed by the users. While starting up the instance for the PAYDB database you get the following error： ORA-01081： cannot start - already running ORACLE - shut it down first Which environmental variable would you set before starting up the PAYDB database to overcome this error？（）

    • A、ORA_PATH
    • B、ORACLE_SID
    • C、ORACLE_BASE
    • D、ORACLE_HOME
    • E、LD_LIBRARY_PATH

    正确答案:B

  • 第17题：

    You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller 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.

    正确答案:E

  • 第18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.


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    You have two databases， FINDB and PAYDB， on single operating system and using Optimal Flexible architecture （OFA）. FINDB is functional and is currently being accessed by the users. While starting up the instance for the PAYDB database you get the following error： ORA-01081： cannot start - already running ORACLE - shut it down first Which environmental variable would you set before starting up the PAYDB database to overcome this error？（）
    A

    ORA_PATH

    B

    ORACLE_SID

    C

    ORACLE_BASE

    D

    ORACLE_HOME

    E

    LD_LIBRARY_PATH


    正确答案： D
    解析： 暂无解析

  • 第20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


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager （RMAN）. The Certkiller 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.


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    You are working on a database， where you have three redo log groups. When the database is down for a backup， an operating system （OS） user deletes all the redo log files in a group. What will happen when you open your database？（）
    A

     The instance starts， the database is mounted， but efforts to open the database fail， and an error about the missing redo log group is displayed.

    B

     Before the instance starts， you receive an error about the missing redo log files of a group.

    C

     The instance starts and the database opens with an error message written to the alert log file.

    D

     The instance starts and the database opens because two redo log groups still exist.

    E

     The instance starts and the database opens， but every attempt to write to redo log files fails with an error.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    多选题
    You are managing an Oracle Database 11g database running in ARCHIVELOG mode. The FlashRecovery Area is specified as the destination for the archived redo log files. You notice this warning in thealert log file：  ORA-19815： WARNING:// db_recovery_file_dest_size of 3221225472 bytes is 100.00% used， and has 0remaining bytes available.  What would you do to reclaim the used space in the Flash Recovery Area（）
    A

    Back up the Flash Recovery Area.

    B

    Decrease the retention time for the database backup and flashback log files.

    C

    Manually delete all the archived log files from the Flash Recovery Area by using operating system （OS）commands.

    D

    Manually delete all the expired backup sets from the Flash Recovery Area by using operating system（OS） commands.


    正确答案： D,B
    解析： 暂无解析

  • 第24题：

    单选题
    You recently created a database and configured the SPFILE with the following parameter settings to ensure that Oracle automatically adjusts the memory for the Program Global Area （PGA）：   SORT_AREA_SIZE = 150M   HASH_AREA_SIZE = 150M   BITMAP_MERGE_AREA_SIZE = 150M   CREATE_BITMAP_AREA_SIZE = 150M   WORKAREA_SIZE_POLICY = AUTO   You have not included the PGA_AGGREGATE_TARGET initialization parameter in the SPFILE and the System Global Area （SGA） is currently sized at 4G.   What is the total PGA memory allocated across all database server processes？（）
    A

     10M

    B

     400M

    C

     600M

    D

     800M


    正确答案： A
    解析： 暂无解析

相关内容