单项选择题
A.OracleSIDsonly
B.Oracle homes only
C.Oracle install timestamp
D.Oracle inventory pointer files
E.Oracle database creation timestamp
F.OracleSIDsand Oracle homes only
G.OracleSIDs， Oracle homes and flag for auto startup
单项选择题 YouworkasadatabaseadministratorforSupportcenter.cn.InyourOracledatabase10ginstallationyouhavesetORACLE_BASEto/u01/app/oracle.Whichobjectivewillbeachievedbythissetting？（）
单项选择题 YouworkasadatabaseadministratorforSupportcenter.cn.YoufindthatuserswithDBAroleareusingmoreCPUresourcesthanwhatisallocatedintheirprofiles.Whichactionwouldyoutaketoensurethatresourceslimitsareimposedontheseusers？（）
单项选择题 YourSupportcenter.cndatabaseisinARCHIVELOGmode.ThedatafilethatbelongstotheSYSTEMtablespacehasbecomecorrupted.Uptowhatpointcanyourecoverthedatabase？（）