单项选择题
A.PMON coordinates media recovery.
B.SMON coordinates instance recovery.
C.PMON coordinates instance recovery.
D.Undo Advisor would roll back all uncommitted transactions.
E.SQL*PLUS reports an error with the message asking you to perform instance recovery.
单项选择题 Your boss at Certkiller .com wants you to clarify Oracle 10g. What statement about the Shared Server configuration is valid？（）
单项选择题 In your Certkiller .com production database， you find that the database users are able to create and read files with unstructured data， available in any location on the host machine from an application. You want to restrict the database users to access files in a specific location on the host machine. What could do to achieve this？（）
单项选择题 YouworkasadatabaseadministratorforCertkiller.com.Yourdatabaseisconfiguredforautomaticundomanagement.UNDO_RETENTIONissetto3hours.Youwanttoflashbackatablethatwascreatedlastyear.Howfarbackcantheflashbackquerygo？（）