多项选择题
A. By using the trace file.
B. By using the alert log file.
C. By using the database ID
D. By using the server parameter file.
E. By using the V$CONTROLFILE view.
F. By using the autobackup format configuration setting.
单项选择题 By mistake， you ran the batch job （for updating the BILL_DETAILS table） twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify： a） A list of changes made along with the transaction identifier of each change. b） The necessary SQL statements to undo the erroneous changes. Which option would you choose？（）
多项选择题 Inyourproductiondatabase，youhavemultipleresourceplandirectivesthatrefertothecustomergroupDB_GRP.Whichtwostatementsarecorrect？（）
单项选择题 Becauseofhardwarefailure，youdecidedtodroparedologmemberfromthedatabase.Whichconditionshouldbemettodroparedologfile？（）