单项选择题
A. heap tables
B. object tables
C. partitioned tables
D. index-organized tables (IOTs)
单项选择题 Youexecutedthefollowingqueryinyourdatabase:SELECToldest_flashback_scn,oldest_flashback_timeFROMV$FLASHBACK_DATABASE_LOG;Whatwouldyoudeterminefromthe output?()
单项选择题 YoudatabaseoperatesinARCHIVELOGmodeanduser-managedconsistentbackupsareperformedeverySundaynight.OnTuesday,at9:00a.m.thecurrentlogsequencenumberwas369.Also,onTuesdayyoulostthedatafilebelongingtotheSYSTEMtablespaceandanachivelogfile(sequencenumber356)thatcontainedredoentriesbetween8:00a.m.and8.30a.m.Withreferencetothisscenario,whatwouldyoudotorecoverthedatabase?()
多项选择题 Youlostadatafilethatbelongstoanindextablespaceinyourdatabase,whichoperatesinARCHIVELOGmode.Lossofthedatafileresultedinincreasedresponsetimeonyourqueries.Whichtwooptionswouldyouusetosolvethisproblem?()