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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
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更多 “ 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” 相关考题
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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.
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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
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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.
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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.
考题
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
考题
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.
考题
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.
考题
单选题You are using flat files as the data source for one of your data warehousing applications. To optimize the application performance， you plan to move the data from the flat files to clustered tables in an Oracle database.While migrating the data， you want to have minimal impact on the database performance and optimize the dataload 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
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.
考题
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
考题
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.
考题
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.
考题
单选题The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the possible reason？（）A
These are the data files that are corrupted.B
There is no SYSAUX tablespace in your databaseC
There is a read-only tablespace in your database.D
These are the data files that cannot be recovered.
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