单选题You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task？（）A

题目
单选题
You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task？（）
A

Upgrade the hardware/memory to accommodate the data.

B

Load the data into your database by using the PARALLEL clause.

C

Give analysts DBA privilege， so that they can query DBA_EXTERNAL_TABLES.

D

Use an external table so you can have the metadata available in your database， but leave the data in the operating system files.

相似考题

1. You have a large amount of historical data in a flat file. Some analysts in your organization need toquery this data in the file. The file is too large to load the data in it into your current database.  Which is the most effective method to access this data in your database（）A、Use the database link.B、Use the SQL*Loader utility.C、Use the Oracle Data Pump utility.D、Create an external table and leave the data in the flat file

2. 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

3. You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance， you plan to move the data from the flat files toclustered tablesin an Oracle database.  While migrating the data， you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the Oracle database（）A、Use the external table population.B、Use the Oracle Data Pump export and import utility.C、Use the conventional path data load of the SQL*Loader utility.D、Use the INSERT INTO...SELECT command to load the data.

4.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.

更多“单选题You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task？（）A ”相关问题

  • 第1题：

    A data file become corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）

    • A、 Flash back all the tables in the data file， one by one.
    • B、 Restore the data file to a new location and perform a media recovery.
    • C、 Flash back the database， there is no need to restore the data file.
    • D、 Restore the data file from the most recent backup and flash the database.

    正确答案:B

  • 第2题：

    You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）

    • A、use the external table population
    • B、use the Oracle Data Pump export and import utility
    • C、use the conventional path data load of SQL*Loader utility
    • D、use the direct path data load of Oracle export and import utility

    正确答案:C

  • 第3题：

    You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task？（）

    • A、Upgrade the hardware/memory to accommodate the data.
    • B、Load the data into your database by using the PARALLEL clause.
    • C、Give analysts DBA privilege， so that they can query DBA_EXTERNAL_TABLES.
    • D、Use an external table so you can have the metadata available in your database， but leave the data in the operating system files.

    正确答案:D

  • 第4题：

    In Recovery Manager （RMAN）， you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task， you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged， you want to place the data file in a different location while resto ing the file.  Which option must you consider for this task？（）  

    • A、 using only the RMAN SWITCH command to set the new location for the data file
    • B、 placing the database in the MOUNT state for the restore and recovery operations
    • C、 using an RMAN RUN block with the SET NEWNAME and then the SWITCH command
    • D、 configuring two channels： one for the restore operation and the other for the recovery operation

    正确答案:C

  • 第5题：

    You are a database administrator for your company. The company uses a SQL Server 2005 database. A full backup of the database is made each night. Transaction log backups are made each morning and each afternoon. You notice that the database transaction log file grows very large throughout the day. You need to minimize the size of the transaction log file. You also need to minimize data loss in the event of a failure. What should you do？（）

    • A、Decrease the amount of time between transaction log backups.
    • B、Configure the database to use the simple recovery model.
    • C、Configure the RECOVERY INTERVAL option to be a smaller value.
    • D、Run DBCC SHRINKFILE on the transaction log file.

    正确答案:A

  • 第6题：

    单选题
    ou have a large amount of historical data in a flat file. Some analysts in your organization need to query thisdata in the file. The file is too large to load the data in it into your current database.  Which is the most effectivemethod to access this data in your database（）
    A

    Use the database link.

    B

    Use the SQL*Loader utility.

    C

    Use the Oracle Data Pump utility.

    D

    Create an external table and leave the data in the flat file


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You experience disk failure on the drive on which your SYSTEM tablespace data files are stored. At the time of the failure， the current log sequence number is 98. Which files should you restore to recover from the loss of the SYSTEM tablespace data files？（）
    A

    Only the data files.

    B

    All of the data files and the control files.

    C

    Only the data files belonging to the SYSTEM tablespace.

    D

    Only the data files belonging to the SYSTEM tablespace and the control files.


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    You work as a database administrator for Supportcenter.cn. 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 database

    B

    Create the data file and perform tablespace recovery

    C

    No need to restore any file， just recover the database

    D

    Restore only the system data file and recover the database

    E

    Restore only lost date file and performtablespacerecovery


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    A data file become corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）
    A

     Flash back all the tables in the data file， one by one.

    B

     Restore the data file to a new location and perform a media recovery.

    C

     Flash back the database， there is no need to restore the data file.

    D

     Restore the data file from the most recent backup and flash the database.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    You are the network administrator for your company. The network consists of a single Active Directorydomain. The functional level of the domain is Windows Server 2003.Some user accounts have expiring passwords and some do not. You need to identify all user accounts that do not have expiring passwords. You need to modify the passwordproperty to allow the passwords on these accounts to expire. You must complete this task by using the minimum amount of administrative effort.First, you create a saved query to obtain a list of all user accounts that do not have expiring passwords.What should you do next? （）
    A

    Export the query results to a comma-delimited file. Use a CSVDE script to modify the password property of each user account.

    B

    From the Results pane of the query, select all user accounts and modify their password properties simultaneously.

    C

    Export the query results to a comma-delimited file. Use an LDIFDE script to modify the password property of each user account.

    D

    From the Results pane of the query, select each user account and modify the password property, one by one.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    You are required to flashback your database. You want to find the amount of flashback data generated since the database was opened. Which task will you perform to obtain the required information？（）
    A

     Query the V$FLASHBACK_DATABASE_LOG view.

    B

     Query the V$FLASHBACK_DATABASE_STAT view.

    C

     Check the value of the DB_FLASHBACK_RETENTION_TARGET initialization parameter.

    D

     Query the V$RECOVERY_FILE_DEST view.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Your SQL Server 2005 database contains a table that has 500 million rows of data. Some of the data is historical and some is current. You need to partition the data on a single server to increase performance and optimize maintenance. What should you do？（）
    A

    Implement horizontal partitioning.

    B

    Implement vertical partitioning.

    C

    Implement a raw partition.

    D

    Implement distributed partitioning.


    正确答案： A
    解析： 暂无解析

  • 第13题：

    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct pathload method to perform this task. The table in which you plan to load data is an important table having variousintegrity constraints defined on it.  Which constraints will remain enabled by default during this operation（）

    • A、CHECK
    • B、UNIQUE
    • C、NOT NULL
    • D、PRIMARY KEY
    • E、FOREIGN KEY

    正确答案:B,C,D

  • 第14题：

    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader directpath load method to perform this task. The table in which you plan to load data is an important tablehaving various integrity constraints defined on it.  Which constraints will remain enabled by default during this operation（）

    • A、CHECK
    • B、UNIQUE
    • C、NOT NULL
    • D、PRIMARY KEY
    • E、FOREIGN KEY

    正确答案:B,C,D

  • 第15题：

    You are required to flashback your database. You want to find the amount of flashback data generated since the database was opened. Which task will you perform to obtain the required information？（）

    • A、 Query the V$FLASHBACK_DATABASE_LOG view.
    • B、 Query the V$FLASHBACK_DATABASE_STAT view.
    • C、 Check the value of the DB_FLASHBACK_RETENTION_TARGET initialization parameter.
    • D、 Query the V$RECOVERY_FILE_DEST view.

    正确答案:B

  • 第16题：

    ou have a large amount of historical data in a flat file. Some analysts in your organization need to query thisdata in the file. The file is too large to load the data in it into your current database.  Which is the most effectivemethod to access this data in your database（）

    • A、Use the database link.
    • B、Use the SQL*Loader utility.
    • C、Use the Oracle Data Pump utility.
    • D、Create an external table and leave the data in the flat file

    正确答案:D

  • 第17题：

    Your SQL Server 2005 database contains a table that has 500 million rows of data. Some of the data is historical and some is current. You need to partition the data on a single server to increase performance and optimize maintenance. What should you do？（）

    • A、Implement horizontal partitioning.
    • B、Implement vertical partitioning.
    • C、Implement a raw partition.
    • D、Implement distributed partitioning.

    正确答案:A

  • 第18题：

    单选题
    You are a database administrator for your company. The company uses a SQL Server 2005 database. A full backup of the database is made each night. Transaction log backups are made each morning and each afternoon. You notice that the database transaction log file grows very large throughout the day. You need to minimize the size of the transaction log file. You also need to minimize data loss in the event of a failure. What should you do？（）
    A

    Decrease the amount of time between transaction log backups.

    B

    Configure the database to use the simple recovery model.

    C

    Configure the RECOVERY INTERVAL option to be a smaller value.

    D

    Run DBCC SHRINKFILE on the transaction log file.


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance， you plan to move the data from the flat files toclustered tablesin an Oracle database.  While migrating the data， you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the Oracle database（）
    A

    Use the external table population.

    B

    Use the Oracle Data Pump export and import utility.

    C

    Use the conventional path data load of the SQL*Loader utility.

    D

    Use the INSERT INTO...SELECT command to load the data.


    正确答案： C
    解析： 暂无解析

  • 第20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.


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables.  While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）
    A

    use the external table population

    B

    use the Oracle Data Pump export and import utility

    C

    use the conventional path data load of SQL*Loader utility

    D

    use the direct path data load of Oracle export and import utility


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    You have a large amount of historical data in a flat file. Some analysts in your organization need toquery this data in the file. The file is too large to load the data in it into your current database.  Which is the most effective method to access this data in your database（）
    A

    Use the database link.

    B

    Use the SQL*Loader utility.

    C

    Use the Oracle Data Pump utility.

    D

    Create an external table and leave the data in the flat file


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task？（）
    A

    Upgrade the hardware/memory to accommodate the data.

    B

    Load the data into your database by using the PARALLEL clause.

    C

    Give analysts DBA privilege， so that they can query DBA_EXTERNAL_TABLES.

    D

    Use an external table so you can have the metadata available in your database， but leave the data in the operating system files.


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    In Recovery Manager （RMAN）， you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task， you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged， you want to place the data file in a different location while resto ing the file.  Which option must you consider for this task？（）
    A

     using only the RMAN SWITCH command to set the new location for the data file

    B

     placing the database in the MOUNT state for the restore and recovery operations

    C

     using an RMAN RUN block with the SET NEWNAME and then the SWITCH command

    D

     configuring two channels： one for the restore operation and the other for the recovery operation


    正确答案： A
    解析： 暂无解析

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