单项选择题
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
单项选择题 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？（）
单项选择题 WhichofthefollowingadvisorswithintheOracleadvisoryframeworkwillanalyzeasingleSQLstatementandmakerecommendationsforperformanceimprovement？（）
多项选择题 ForwhichtwosituationswouldyouusefunctionalityprovidedbytheResourceManager？（）