多项选择题 You used the following command in Recovery Manager （RMAN） as part of the recovery process： RESTORE CONTROLFILE FROM AUTOBACKUP；   How does RMAN find the control file autobackup？（）

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？（）