多项选择题
Which tasks are run automatically as part of the Automated Maintenance Task by default? （）(Choose all that apply.)
A. Segment Advisor B. SQL Access Advisor C. Optimizer statistics gathering D. Automatic SQL Tuning Advisor E. Automatic Database Diagnostics Monitor
多项选择题 What recommendations does the SQL Access Advisor provide for optimizing SQL queries? （）(Choose all that apply.)
单项选择题 Which statement most accurately describes the implementation of a SQL Access Advisor recommendation?（）
多项选择题 WhichcommandsareusedforRMANdatabaserecovery？（）
