Oracle认证考试
Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?（）A、point-in-time recoveryB、execute the ROLLBACK command with transaction numberC、flashback the database to before the
题目
Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?（）
- A、point-in-time recovery
- B、execute the ROLLBACK command with transaction number
- C、flashback the database to before the transaction was committed
- D、determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
相似问题和答案
第1题：
A. point-in-time recovery
B. execute the ROLLBACK command with transaction number
C. flashback the database to before the transaction was committed
D. determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
第2题：
Which command （without options） would you use to display how much space is available on all mounted partitions？（）
正确答案:/BIN/DF
第3题：
You are writing a method that accepts a string parameter named message.Your method must break the message parameter into individual lines of text and pass each line to a second method named Process.Which code segment should you use?（）
A.
B.
C.
D.
第4题：
You want to migrate your existing non-ASM files to ASM files for the database PROD. Which method or command would you use to accomplish this task？（）
- A、the CONVERT command of RMAN
- B、Data Pump Export and Import into the same database
- C、conventional export and import into the same database
- D、the BACKUP DATABASE and RESTORE DATABASE commands of RMAN
- E、the BACKUP AS COPY DATABASE and SWITCH DATABASE TO COPY command of RMAN
正确答案:A,E
第5题：
You want to convert your existing non-ASM files to ASM files for the database PROD. Which method or command would you use to accomplish this task？（）
- A、 Data Pump Export and Import
- B、 conventional export and import
- C、 the CONVERT command of RMAN
- D、 the BACKUP AS COPY. command of RMAN
正确答案:D
第6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
正确答案:C
第7题：
Very soon you will be performing maintenance operations. You would have several jobs to run as soon as the maintenance period starts. Which method would you use to create jobs without specifying the time period when the job should be run？（）
- A、 use DBMS_IJOB package
- B、 use Oracle Scheduler
- C、 use DBMS_JOB package
- D、 use Oracle Data Pump Export and Import
正确答案:B
第8题：
You are writing a method to compress an array of bytes.The array is passed to the method in a parameter named document.You need to compress the incoming array of bytes and return the result as an array of bytes.Which code segment should you use?（）
A.
B.
C.
D.
第9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
第10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