单项选择题
You want to enable automatic PGA memory management in your database. Which setting is required toachieve this?（）
A. Set MEMORY_TARGET to zero B. Set the STATISTICS_LEVEL parameter to BASIC C. Set the WORKAREA_SIZE_POLICY parameter to MANUAL D. Set the PGA_AGGREGATE_TARGET parameter to nonzero value
多项选择题 WhichthreearethevalidstatementsinrelationtoSQLplanbaselines？（）
多项选择题 Which three statements are true about persistent configuration?（） (Choose three.)
多项选择题 Which three statements are true about windows? （）(Choose three.)
