单项选择题
A. DROP TABLESPACE temp1;
B. DROP TABLESPACE temp1 INCLUDING CONTENTS;
C. DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES;
D. DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS;
单项选择题 YourdatabaseisinNOARCHIVELOGmode.Thedatabasehasthreeonlineredologgroups,andeachgroupcontainsthreeonlineredologmembers.Theonlineredologmembersarestoredacrossthreeharddisks,E,F,andG,respectively.HarddiskGcrashedwhiletheLGWRbackgroundprocesswaswritingredoinformationtotheonlineredologfiles.Whateffectwillthiscrashhaveonthedatabase?()
单项选择题 Atdatabasestartup,youdiscoverthatoneofthediskscontaininganindextablespacehasbeenlostduetoamediafailure.Abackupofthelostindextablespaceisnotavailable.Youhaveallthenecessaryscriptstorecreatetheindexes.Youneedtore-createtheindexesinanewindextablespace.Whichactionmustyouperformbeforere-creatingtheindexes?()
单项选择题 Twenty database users are connected to your database. Five of the users are running long queries involving sort operations. The TEMP tablespace is the default temporary tablespace for your database. You are performing offline tablespace backups of individual tablespaces and erroneously execute the following statement: SQL>ALTER TABLSPACE temp OFFLINE NORMAL; What is the result of this statement?()