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To view the results of the most recent Automatic SQL Tuning Advisor task, which sequence should you follow?
A. EM Database home page, Software and Support, SQL Advisors, Automatic SQL Tuning Advisor
B. EM Database home page, Software and Support, Advisor Central, SQL Advisors, Automatic SQL Tuning Advisor
C. EM Database home page, Software and Support, Support Workbench, Advisor Central, SQL Advisors,Automatic SQL Tuning Advisor
D. Either B or C
E. All of the above

　　Option A is incorrect because there is no direct link on the Software and Support home page to the SQL Advisors.You use either sequence B or C to get to the SQL Advisors and to the Automatic SQL Tuning Advisor page;from there,you can see the result of the most recent Automatic SQL Tuning Advistor task.
　　进入指导中心就可以进去 SQL指导，然后在 SQL 优化指导。
　　指导中心→SQL指导→SQL指导优化