多项选择题
A. The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.
B. The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.
C. Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.
D. The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.
单项选择题 Inoneofyouronlinetransactionprocessing（OLTP）applications，usersaremanipulatingandqueryingadatabasetablesimultaneously.FromtheSegmentAdvisor，youfindthatoneofthetablesishighlyfragmentedandyouwanttoshrinkthetableimmediatelywithoutaffectingthecurrentlyactivequeries.WhichoptionwouldyouusewiththeALTERTABLEcommandtoachievethisobjective？（）
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？（）