单项选择题
A. The database must be in the ARCHIVELOG mode.
B. The automatic memory tuning must be enabled.
C. The change tracking feature must be enabled.
D. The automatic memory tuning must be disabled.
单项选择题 Whilerunninglongrunningqueries，youreceivetheSnapshottooolderror.WhichadvisorcanhelpyoutoavoidtheSnapshottooolderror？（）
单项选择题 WhichcomponentdoestheSQLTuningAdvisorNOTanalyzefortheSQLstatements？（）
单项选择题 Youfindthatsomequeriesonatablearetakingalongtimetoexecutebecausetherearenoindexescreatedonthetable.YoudecidetoinvoketheSQLAccessAdvisortodeterminetheappropriateindextobecreated.WhichpackagewillyouusetoinvoketheSQLAccessAdvisor？（）