聲明：對(duì)于答案的相關(guān)的說明，是個(gè)人對(duì)Oracle的理解。

1.?Because?of?a?power?outage,instance?failure?has?occurred.?From?what?point?in?the?redo?log?does?recovery?begin?and?where?does?it?end?

A.?Current?redo?log?and?inactive?redo?log

B.?Checkpoint?position?to?end?of?redo?log

C.?Beginning?of?redo?log?to?end?of?redo?log

D.?All?redo?logs?before?the?point?of?last?commit

E.?Beginning?of?redo?log?to?checkpoint?position.

答案B.??Checkpoint?之前的數(shù)據(jù)已經(jīng)寫入到數(shù)據(jù)文件。?所以用restore?就可以恢復(fù)。?而checkpoint之后的數(shù)據(jù)沒有寫入到數(shù)據(jù)文件，所以需要進(jìn)行recovery。?Recovery時(shí)，對(duì)于已經(jīng)commit的數(shù)據(jù)，前滾寫入到數(shù)據(jù)文件。?沒有commit的數(shù)據(jù)，進(jìn)行回滾。

2.?Which?two?operations?can?be?flashed?back?using?the?flashback?technology??(choose?two)

A.?Drop?user?smith;

B.?Drop?table?employees;

C.?Drop?tablespace?users;

D.?Alter?table?sales_rep?drop?partition?p1;

E.?Alter?table?employees?drop?column?desig_id;

答案：AB。

Oracle?Flashback?技術(shù)?總結(jié)

http://blog.csdn.net/tianlesoftware/archive/2009/10/16/4677378.aspx

?

3.?You?have?to?shut?down?the?database?instance?with?the?abort?option?because?of?a?hardware?failure.?Which?statement?is?true?about?the?subsequent?opening?of?the?database?

A.?The?database?would?open?normally.

B.?The?database?would?not?open,and?it?would?stop?at?mount?stage.

C.?The?database?would?open?alter?automatically?performing?instance?recovery.

D.?The?database?would?not?open,?and?have?to?perform?database?recovery?to?open?it.

答案：?C.?

如果實(shí)例異常關(guān)閉（宕機(jī)，shutdown?abort），并且數(shù)據(jù)文件，控制文件，聯(lián)機(jī)日志都沒有丟失。在下次啟動(dòng)時(shí)，要利用聯(lián)機(jī)日志的內(nèi)容進(jìn)行恢復(fù)，這種恢復(fù)就是實(shí)例恢復(fù)（Instance?Recovery）。

Instance?Recovery?主要包括3個(gè)階段：

1）?根據(jù)聯(lián)機(jī)日志內(nèi)容進(jìn)行Rollover。

2）?打開數(shù)據(jù)庫(kù)，提供服務(wù)

3）?SMON?或者用戶進(jìn)程進(jìn)行Rollback。

具體參考?Oracle?備份與恢復(fù)概述?中的?3.2?節(jié)?恢復(fù)種類

http://blog.csdn.net/tianlesoftware/archive/2010/04/16/5490733.aspx

?

?

4.?You?backed?up?the?control?file?to?trace.?Which?statement?is?true?about?the?trace?file?generated?

A.?The?trace?file?is?in?binary?format.

B.?The?trace?file?has?a?SQL?scripts?to?re-create?the?control?file.

C.?The?trace?file?is?a?backup?set?created?during?the?backup?of?the?control?file.

D.?The?trace?file?contains?the?instructions?to?manually?re-create?the?control?file.

E.?The?trace?file?is?an?image?copy?of?the?control?file?created?during?the?backup?of?the?the?control?file.

答案：?B

聯(lián)機(jī)文檔：

An?alternative?to?the?CREATE?CONTROLFILE?statement?is?ALTER?DATABASE?BACKUP?CONTROLFILE?TO?TRACE,?which?generates?a?SQL?script?in?the?trace?file?to?re-create?the?controlfile

http://download.oracle.com/docs/cd/B14117_01/server.101/b10759/statements_5003.htm

?

?

5.?While?running?the?Oracle?Universal?Installer?on?a?Unix?platform?to?install?Oracle?Database?10g?software,you?are?prompted?to?run?orainstRoot.sh.?What?does?this?scripts?accomplish?

A.?It?creates?the?pointer?file.

B.?It?creates?the?base?directory.

C.?It?creates?the?inventory?pointer?file.

D.?It?creates?the?Oracle?user?for?installation.

E.?It?modifies?the?Unix?kernel?parmeters?to?match?Oracle's?requirement.

答案：?C

可以查看$ORACLE_BASE/oraInventory/orainstRoot.sh?腳本的內(nèi)容。該腳本實(shí)際上完成了以下工作：

（1）創(chuàng)建software?inventory?location?pointer?file:?/etc/oraInst.loc，內(nèi)容為

??? ? inventory_loc=$ORACLE_BASE/oraInventory

???? inst_group=oinstall

?? 修改該文件屬性:chmod?644?/etc/oraInst.loc?

（2）創(chuàng)建inventory?directory:?$ORACLE_BASE/oraInventory

?? 修改文件屬性：?chmod?-R?770?$ORACLE_BASE/oraInventory

???????? ???????chgrp?oinstall?$ORACLE_BASE/oraInventory

? oraInventory目錄是用來存儲(chǔ)oracle安裝的所有軟件組件的信息的，每個(gè)組件可能占用150k的空間.

?

6.?While?setting?up?an?Oracle?database?for?one?of?your?critical?applications,?you?want?to?ensure?that?the?database?is?backed?up?at?regular?intervals?without?your?intervention(介入).?What?should?you?do?to?achieve?the?objective?

A.?Configure?the?database?to?run?in?archivelog?mode.

B.?Configure?the?Flash?recovery?area?to?enable?automatic?database?backup.

C.?Schedule?the?database?backup?using?DBMS_JOB?package?after?creating?the?database.

D.?Schedule?the?database?backup?using?recovery?manager(RMAN)?commands?after?creating?the?database.

E.?Schedule?the?database?backup?using?Database?Configuration?Assistant(DBCA)?while?creating?the?database.

答案：E.

剛看到這個(gè)答案的時(shí)候，以為答案有問題。Google一下，真有。?我們注意看題目，在安裝數(shù)據(jù)庫(kù)的時(shí)候，確保數(shù)據(jù)庫(kù)在沒有干預(yù)的情況下規(guī)則的備份。?只有E中的DBCA工具合適了。?而且DBCA?還真有這個(gè)功能(玩了幾年Oracle，都沒有留意到，杯具中...)

?

?

7.?The?application?development?team?has?developed?PL/SQL?procedures?and?functions?for?different?purposes?and?calls?them?as?and?when?required.?The?loading?of?individual?procedures?or?functions?into?memory?degrades?performance?with?every?call.?Also,?it?causes?a?security?problem?for?individual?subprograms?and?loss?of?program?units?when?the?whole?system?is?transported?into?a?new?location.?Which?method?would?you?recommend?to?the?application?developers?to?solve?this?problem?

A.?Avoiding?the?use?of?cursors?in?the?subprograms.

B.?Using?anonymous（匿名）?PL/SQL?blocks?instead?of?subprograms.

C.?Referring?to?views?instead?of?tables?inside?the?subprograms.

D.?creating?PL/SQL?packages?to?include?interrelated(相關(guān)關(guān)聯(lián))?subprograms.

答案：D.

?

8.?View?the?Exhibit.?

Your?Oracle?10g?database?has?6?tablespaces?in?which:?

-TEMP?is?the?default?temporary?tablespace?

-?UNDOTBS1?is?the?default?undo?tablespace?

-?USERS?is?the?default?permanent?tablespace?

In?this?database,?which?three?tablespaces?can?be?made?offline??(Choose?three.)?

?

A)?TEMP?

B)?PROD?

C)?USERS?

D)?SYSAUX?

E)?SYSTEM?

F)?UNDOTBS1?

答案:?BCD。?

可以參考在線文檔中?Overview?of?Tablespaces?小節(jié)的內(nèi)容。

http://download.oracle.com/docs/cd/B28359_01/server.111/b28318/physical.htm#CNCPT1089

?

9.??The?junior?DBA?in?your?organization?has?accidentally?deleted?the?alert?log?file.?What?will?you?do?to?create?new?alert?log?file?

A.?Create?the?new?text?file?as?alert.log

B.?You?have?to?recover?the?alert?log?file?from?the?valid?backup.

C.?Change?the?value?for?the?BACKGROUND_DUMP_DEST?parameter.

D.?No?action?required.?The?file?would?be?created?automatically?by?the?instance.

答案：?D.

?

10.?While?planning?to?manage?more?than?one?database?in?your?system,you?perform?the?following?activities:

（1）?organize?different?categories?of?files?into?independent?subdirectories.

（2）?Use?consistent?naming?convention?for?database?files.

（3）?Separate?administrative?information?pertaining?to?each?database.

Which?option?corresponds(一致)?to?the?type?of?activities?performed?by?you?

A.?Oracle?Managed?Files.

B.?Oracle?Grid?Architecture.

C.?Optimal?Flexible?architecture.

D.?Oracle?database?architecture.

答案：C

Optimal?Flexible?Architecture

http://download.oracle.com/docs/cd/B28359_01/install.111/b32002/app_ofa.htm#i633068

?

11.?Data?files?of?which?three?tablespace?can?be?recovered?by?performing?an?open?recovery?(Choose?three)

A.?TEMP

B.?UNDO

C.?INDEX

D.?SYSAUX

E.?SYSTEM

答案：ACD

?

12.??Your?tnsnames.ora?file?has?the?following?entry?for?the?service?alias?ORCL:?

ORCL?=?

(DESCRIPTION?=?

(ADDRESS?=?(PROTOCOL?=?TCP)?(HOST?=?10.156.24.216)?(PORT?=?1521))?

(CONNECT_DATA?=?

(SERVER?=?DEDICATED)?

(SERVICE_NAME?=?orcl.oracle.com)?

)?

)?

The?TNSPING?command?executes?successfully?when?tested?with?ORCL?but?you?are?not?able?to?connect?to?the?

database?instance?with?the?following?command:?

SQL>?CONNECT?scott/tiger@orcl?

What?could?be?the?reason?for?this??

A)?The?listener?is?not?running?at?the?server.?

B)?The?TNS_ADMIN?environmental?variable?is?set?to?a?wrong?value.?

C)?The?orcl.oracle.com?database?service?is?not?registered?with?the?listener.?

D)?The?DEFAULT_DOMAIN?parameter?is?set?to?a?wrong?value?in?the?SQLNET.ORA?file.?

答案：C.

Oracle?Listener?動(dòng)態(tài)注冊(cè)?與?靜態(tài)注冊(cè)

http://blog.csdn.net/tianlesoftware/archive/2010/04/30/5543166.aspx

?

13.?View?the?Exhibit,?and?examine?the?alert?messages.?

You?added?space?to?the?TEST?tablespace?to?bring?the?space?usage?below?the?threshold?value.?

Which?statement?is?true?about?the?Tablespace?Full?alert??

?

A)?The?alert?is?purged?because?it?is?a?threshold?alert.?

B)?The?alert?is?cleared?and?transferred?to?the?alert?log?file.?

C)?The?alert?is?automatically?cleared?and?sent?to?the?alert?history.?

D)?The?alert?appears?in?Oracle?Enterprise?Manager?Database?Control?until?it?is?manually?cleared.?

答案：C

14.?Which?is?the?memory?area?that?is?created?when?a?dedicated?server?process?is?started,?and?contains?data?and?control?information?for?that?server?process?

A.?SGA

B.?PGS

C.?Shared?Pool

D.?Streams?Pool

答案：?B

Oracle?內(nèi)存?架構(gòu)?詳解

http://blog.csdn.net/tianlesoftware/archive/2010/05/16/5594080.aspx

15.?Which?two?statements?about?Recovery?Manager(RMAN)?backups?are?true?(Choose?two).

A.?Online?redo?log?files?can?be?backed?up.

B.?Archived?redo?log?files?are?backed?up.

C.?Only?used?data?blocks?can?be?backed?up?as?backup?sets.

D.?Only?consistent?database?backups?can?be?performed.

E.?RMAN?backup?can?be?taken?only?if?the?database?is?configured?in?ARCHIVELOG?mode.

答案：BC

如何?搭建?RMAN?備份平臺(tái)

http://blog.csdn.net/tianlesoftware/archive/2010/07/16/5740896.aspx

16.?Which?three?pieces?of?information?are?to?be?manatorily?provided?while?creating?a?new?listener?using?Enterprise?Manager?database?Control??(Choose?three).

A.?The?port?used?by?the?listener.

B.?The?protocol?used?by?the?listener.

C.?The?server?name?where?the?listener?runs.

D.?The?log?file?and?trace?file?destination?for?the?listener.

E.?The?database?services?to?be?registered?with?the?listener.

答案：ABC

17.?The?SCOTT?user?has?an?index?on?the?ITEM_DESC?column?of?the?ITEM?table.?As?part?of?the?year-ending?task,?SCOTT?updates?the?ITEM_DESC?column?for?most?of?the?rows?in?the?ITEM?table.?How?does?this?change?to?the?table?affect?the?index?

A.?An?update?in?a?leaf?row?takes?place.

B.?The?index?becomes?invalid?after?the?update.

C.?The?leaf?block?containing?the?row?to?be?updated?is?marked?as?invalid.

D.?A?row?in?the?leaf?block?of?the?index?for?the?key?value?is?deleted?and?inserted.

答案：D

18.?In?the?middle?of?a?transaction,a?user?session?was?abnormally?terminated?but?the?instance?is?still?up?and?the?database?is?open.?Which?two?statements?are?true?in?the?scenario（方案）??(Choose?two).

A.?Event?viewer?gives?more?details?on?the?failure.

B.?The?alert?log?file?gives?detailed?information?about?the?failure.

C.?PMON?rolls?back?the?transaction?and?releases?the?locks.

D.?SMON?rolls?back?the?transaction?and?releases?the?locks.

E.?The?transaction?is?rolled?backup?by?the?next?session?that?refers?to?any?of?the?blocks?updated?by?the?failed?transaction.

F.?Data?modified?by?the?transaction?up?to?the?last?commit?before?the?abnormal?termination?is?retained?in?the?database.

答案：C?F

19.?The?application?workload?on?your?database?is?same?bwtween?10?a.m.?And?11?a.m.?On?weekdays.?Suddenly?you?observe?poor?performance?between?10?a.m.?And?11?a.m.?In?the?middle?of?the?week.?How?would?you?identify?the?changes?in?configuration?settings,?workload?profile,?and?statistics?to?diagnose?the?possible?causes?of?the?performance?degradation?

A.?By?using?the?SQL?access?advisor

B.?By?using?the?automatic?workload?repository?report.

C.?By?running?the?automatic?database?diagnostic?monitor(ADDM)

D.?By?using?the?automatic?workload?repository?(AWR)?compare?period?report.

E.?By?analyzing?the?output?of?the?v$ACTIVE_SESSION_HISTORY?view.

答案：D

Oracle?AWR?介紹

http://blog.csdn.net/tianlesoftware/archive/2009/10/17/4682300.aspx

20.?Your?database?is?in?NOARCHIVELOG?mode.?After?which?two?operations?you?should?take?the?backup?of?the?control?file?

A.?Adding?a?new?user?to?the?database.

B.?Dropping?a?user?from?the?database.

C.?Dropping?a?table?from?the?database.

D.?Dropping?a?data?file?from?a?tablespace.

E.?Adding?a?new?tablespace?to?the?database.

答案：?D?E.?控制文件里保存了數(shù)據(jù)文件的信息，所以添加刪除都會(huì)修改控制文件里的內(nèi)容，所以需要修改。

Oracle?控制文件

http://blog.csdn.net/tianlesoftware/archive/2009/12/13/4974440.aspx

21.?Which?three?statements?are?true?regarding?the?logical?structure?of?the?Oracle?database??(Choose?three).

A.?Each?segment?contains?one?or?more?extents.

B.?Multiple?tablespace?can?share?single?data?file.

C.?A?data?block?is?the?smallest?unit?of?I/O?for?data?files.

D.?It?is?possible?to?have?tablespace?of?different?block?sizes?in?a?database.

E.?Each?data?block?in?the?database?always?corresponds?to?one?OS?block.

答案：ACD

表空間(tableSpace)?段(segment)?盤區(qū)(extent)?塊(block)?關(guān)系

http://blog.csdn.net/tianlesoftware/archive/2009/12/13/4962476.aspx

22.??You?executed?the?following?command?to?start?the?database:?

SQL>?STARTUP?

ORACLE?instance?started.?

Total?System?Global?Area?281018368?bytes?

Fixed?Size?789000?bytes?

Variable?Size?229635576?bytes?

Database?Buffers?50331648?bytes?

Redo?Buffers?262144?bytes?

ORA-00205:?error?in?identifying?controlfile,?check?alert?log?for?more?info?

Which?view?would?you?query?at?this?stage?to?investigate?this?missing?control?file??

A)?V$INSTANCE?

B)?V$CONTROLFILE?

C)?DBA_CONTROL_FILES?

D)?V$DATABASE_PROPERTIES?

E)?V$CONTROLFILE_RECORD_SECTION?

答案:?B

23.?Which?two?are?valid?locking?levels?that?are?used?by?transactions?in?an?Oracle?database??(Choose?two)

A.?Row?level

B.?Block?level

C.?Object?level

D.?Schema?level

E.?Database?level

答案：?AC

在這個(gè)地方研究了半天，也不是十分明白。?

ORACLE?鎖機(jī)制

http://blog.csdn.net/tianlesoftware/archive/2009/10/20/4696896.aspx

http://download.oracle.com/docs/cd/E11882_01/server.112/e10713/consist.htm#CNCPT1341

24.??Your?database?is?started?by?using?the?server?parameter?file?(SPFILE).?You?issued?this?command?to?change?

the?value?of?the?LOG_BUFFER?initialization?parameter:?

ALTER?SYSTEM?SET?LOG_BUFFER=24M?SCOPE=BOTH;?

What?would?be?the?outcome?of?this?command??

A)?The?command?would?return?an?error?because?LOG_BUFFER?is?a?static?parameter.?

B)?The?parameter?value?would?be?changed?and?it?would?come?into?effect?immediately.?

C)?You?need?to?restart?the?database?so?that?parameter?changes?can?come?into?effect.?

D)?The?command?would?succeed?only?if?initialization?parameter?LOG_ARCHIVE_MAX_PROCESS?is?set?to?value?2.?

答案：?A.

LOG_BUFFER?specifies?the?amount?of?memory?(in?bytes)?that?Oracle?uses?when?buffering?redo?entries?to?a?redo?log?file.?Redo?log?entries?contain?a?record?of?the?changes?that?have?been?made?to?the?database?block?buffers.?The?LGWR?process?writes?redo?log?entries?from?the?log?buffer?to?a?redo?log?file.

The?log?buffer?size?depends?on?the?number?of?redo?strands?in?the?system.?One?redo?strand?is?allocated?for?every?16?CPUs?and?has?a?default?size?of?2?MB.?Oracle?allocates?a?minimum?of?2?redo?strands?per?instance.?When?the?log?buffer?size?is?not?specified,?any?remaining?memory?in?the?redo?granules?is?given?to?the?log?buffer.

LOG_BUFFER

http://download.oracle.com/docs/cd/E11882_01/server.112/e10820/initparams127.htm#REFRN10094

SQL>?select?name,issys_modifiable?from?v$parameter?where?name='log_buffer';

NAME???????????ISSYS_MOD

--------------------? ---------

log_buffer?????????FALSE

通過這個(gè)查詢，我們知道，修改這個(gè)參數(shù)必須重啟數(shù)據(jù)庫(kù)。

?

25.?Which?two?statements?are?true?about?the?roles?in?the?Oracle?database??(Choose?two)

A.?A?role?can?be?granted?to?itself.

B.?Roles?are?owned?by?the?sys?user.

C.?Roles?can?be?granted?to?other?roles.

D.?A?role?can?not?be?assigned?external?authentication.

E.?A?role?can?contain?both?system?and?object?privileges.

答案：?C?E

Oracle?用戶及角色?介紹

http://blog.csdn.net/tianlesoftware/archive/2009/11/09/4786956.aspx

26.?You?have?been?recently?hired?as?a?database?administrator.?Your?senior?manager?asks?you?to?study?the?

production?database?server?and?submit?a?report?on?the?settings?done?by?the?previous?DBA.?While?observing?

the?server?settings,?you?find?that?the?following?parameter?has?been?set?in?the?parameter?file?of?the?database:?

REMOTE_OS_AUTHENT?=?TRUE?

What?could?have?been?the?reason?to?set?this?parameter?as?TRUE??

A)?to?enable?operating?system?authentication?for?a?remote?client?

B)?to?restrict?the?scope?of?administration?to?identical?operating?systems?

C)?to?allow?the?start?up?and?shut?down?of?the?database?from?a?remote?client?

D)?to?enable?the?administration?of?the?operating?system?from?a?remote?client?

E)?to?disable?the?administration?of?the?operating?system?from?a?remote?client?

答案：?A

參考：http://download.oracle.com/docs/cd/E11882_01/network.112/e10746/asoauth.htm#ASOAG9769

27.??View?this?parameter?setting?in?your?database:?

DB_CREATE_FILE_DEST='D:?/oracle/product/10.2.0/oradata/oracle'?

You?created?a?tablespace?by?using?this?command:?

CREATE?TABLESPACE?USERS;?

Which?two?statements?are?true?about?the?USERS?tablespace??(Choose?two.)?

A)?The?tablespace?has?two?data?files.?

B)?An?error?is?reported?and?tablespace?creation?fails.?

C)?Data?files?are?created?with?names?generated?by?the?instance.?

D)?The?tablespace?can?be?extended?without?specifying?the?data?file.?

E)?Data?files?belonging?to?the?USERS?tablespace?cannot?be?renamed.

答案：C?D

28.?View?the?Exhibit?to?see?the?source?and?target?databases.?

You?have?created?a?database?link,?devdb.us.oracle.com,?between?the?databases?PRODDB?and?DEVDB.?You?

want?to?import?schema?objects?of?the?HR?user?using?Oracle?Data?Pump?from?the?development?database,?

DEVDB,?to?the?production?database,?PRODDB.?You?execute?the?following?command?on?the?target?database?

server:?

$impdp?system/manager?directory?=?DB_DATA?

dumpfile?=?schemas.dat?

schemas?=?hr?

flashback_time?=?2004-02-03?09:?00?

The?command?fails,?displaying?the?following?error:?

ORA-39001:?invalid?argument?value?

ORA-39000:?bad?dump?file?specification?

ORA-31640:?unable?to?open?dump?file?"/home/oracle/schema/schemas.dat"?for?read?

ORA-27037:?unable?to?obtain?file?status?

What?would?you?do?to?overcome?the?error??

A)?remove?the?dumpfile?option?in?the?command?

B)?remove?the?flashback_time?option?in?the?command?

C)?add?the?user,?SYSTEM,?to?the?schemas?option?in?the?command?

D)?add?network_link?=?devdb.us.oracle.com?option?in?the?command?

E)?remove?the?schemas?option?and?add?the?network_link?=?devdb.us.oracle.com?option?in?the?command?

F)?remove?the?dumpfile?option?and?add?the?network_link?=?devdb.us.oracle.com?option?in?the?command?

答案：F

29.?What?is?the?implication?of?setting?the?initialization?parameter?FAST_START_MTTR_TARGET?to?0?in?your?

database??

A)?MTTR?Advisor?would?be?disabled.?

B)?Redo?Log?Advisor?would?be?disabled.?

C)?Automatic?tuning?of?checkpoint?would?be?disabled.?

D)?Checkpoint?information?would?not?be?written?to?the?alert?log?file.?

答案：?C

FAST_START_MTTR_TARGET?enables?you?to?specify?the?number?of?seconds?the?database?takes?to?perform?crash?recovery?of?a?single?instance.?When?specified,?FAST_START_MTTR_TARGET?is?overridden?by?LOG_CHECKPOINT_INTERVAL.

http://download.oracle.com/docs/cd/E11882_01/server.112/e10820/initparams084.htm#REFRN10058

30.?Users?of?HR?schema?complain?about?slower-than-normal?performance.?On?investigation?the?DBA?found?that?maintenance?was?recently?performed?on?some?of?the?tables.?The?DBA?traced?the?query?that?takes?longer?than?normal?to?execute.?

View?the?Exhibit?exhibit_before.?

?

After?the?DBA?resolves?the?problem,?the?query?performs?normally.?

View?the?Exhibit?exhibit_after.?

What?action?would?the?DBA?have?taken?to?resolve?the?performance?problem??

A)?analyzed?the?EMPLOYEES?table?to?collect?the?current?statistics?

B)?moved?the?EMPLOYEES?table?in?to?a?locally?managed?tablespace?

C)?moved?the?EMPLOYEES?table?to?another?location?in?the?same?tablespace?

D)?reorganized?the?associated?indexes?for?the?EMPLOYEES?table?that?were?in?an?unusable?state?

E)?moved?the?indexes?associated?with?the?EMPLOYEES?table?to?the?same?tablespace?where?the?EMPLOYEES?table?exists?

答案：?D

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