单项选择题
A. the DBNEWID utility
B. the DBVERIFY utility
C. the ANALYZE command
D. the RMAN REPORT command
E. the RMAN CROSSCHECK command
F. the CHECK_OBJECT procedure of the DBMS_REPAIR package
多项选择题 ThelossofwhichtwotypesoffilesmayrequirearecoverywiththeRESETLOGSoption？（）
多项选择题 YouwanttousetheSQLTuningAdvisortogeneraterecommendationsforbadlywrittenSQLstatementsinyourdevelopmentenvironment.Whichthreesourcescanyouselectfortheadvisortoanalyze？（）
单项选择题 YouaremanaginganOracleDatabase10gdatabasethatusesOracleManagedFiles（OMF）.Youenabledtheblockchangetrackingfeatureforthedatabase.Whichstatementregardingthechangetrackingfileistrue？（）