单选题Which of these appropriately describes the results of a manual SQL Tuning Advisor task?（）AA list of SQL statements and recommendations for tuningBA list of SQL statements that have been tuned by the Advisor, with before and after metricsCGraphs showing the actual performance improvement made by the Advisor after it implemented the recommended changesDAll of the above
单选题
Which of these appropriately describes the results of a manual SQL Tuning Advisor task?（）
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
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