单项选择题
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
相关考题
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单项选择题
Which of the following advisors within the Oracle advisory framework will analyze a single SQL statement and make recommendations for performance improvement?（）
A. SQL Repair Advisor
B. SQL Optimizer
C. SQL Access Advisor
D. SQL Tuning Advisor SQL -
多项选择题
For which two situations would you use functionality provided by the Resource Manager?（）
A. setting idle timeout limits on resource plans
B. saving storage space by using compressed backup sets
C. creating jobs that will run automatically at a scheduled time
D. assigning priorities to jobs to manage access to system resources
E. creating alerts to perform notification when tablespaces are low on available space resources -
单项选择题
You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）
A. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;
B. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>;
C. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>;
D. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;
