Which of the following advisors is run in every maintenance window by the auto-task system?
A.The Memory Advisor
B.The SQL Tuning Advisor
C.The Undo Advisor
D.The SQL Access Advisor
相关题053-61，迷之巧合
D选项在之前的练习中有讲过是不会AUTO的，所以排除。
自动 SQL 优化将在系统维护窗口期间作为自动维护任务运行, 搜索改进高负载 SQL 语句的执行计划的方法。