单项选择题
A. A list of SQL statements and recommendations for tuning
B. A list of SQL statements that have been tuned by the Advisor, with before and after metrics
C. Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changes
D. All of the above
单项选择题 To view the results of a manual SQL Tuning Advisor task, which steps should the DBA take?（）
单项选择题 Ifyoulostyourentiredatabase，includingthedatabasespfile，controlfiles，onlineredologs，anddatabasedatafiles，whatkindofrecoverywouldberequiredwithRMAN？（）
单项选择题 To view the results of the most recent Automatic SQL Tuning Advisor task, which sequence should you follow?（）