多项选择题
Which two statements are correct regarding the Oracle Flashback Drop feature？ （）
A. Recycle bin exists for the tables only in non-SYSTEM， locally managed tablespaces.
B. You can flash back a dropped table provided row movement has been enabled on the table.
C. If you drop an index before dropping its associated table， then the recovery of the index is not supported when you flash back the dropped table.
D. When you execute the DROP TABLESPACE？ INCLUDING CONTENTS command， the objects in the tablespace are places in the recycle bin.
E. When a dropped table is moved to the recycle bin， only the table is renamed to a system-generated name； its associated objects and constraints are not renamed.
F. If you drop a table that is protected by the recycle bin， then associated bitmap-joined indexes and materialized view logs are also stored in the recycle bin.
相关考题
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单项选择题
Youlostatemporaryfilethatbelongstothedefaulttemporarytablespaceinyourdatabase.Fromtheoptionsprovided，whichapproachwouldyoutaketosolvetheproblem？（）
A. flash back the database
B. import the temporary tablespace from the last export
C. restore all the data files and temporary files from the last full database backup and perform a recovery
D. not perform a recovery， but create a new temporary tablespace， make it the default temporary tablespace and then drop the old tablespace -
多项选择题
These are the details about V$FLASHBACK_DATABASE_STAT： SQL> DESC v$FLASHBACK_DATABASE_STAT Name Null？ Type ------------- -------- -------------- BEGIN_TIME DATE END_TIME DATE FLASHBACK_DATA NUMBER DB_DATA NUMBER REDO_DATA NUMBER ESTIMATED_FLASHBACK_SIZE NUMBER Which two statements regarding the V$FLASHBACK_DATABASE_STATview aretrue？ （）
A. BEGIN_TIME is the time at which Flashback logging is enabled.
B. END_TIME is the time at which the query is executed on the view.
C. REDO_DATA is the number of bytes of redo data written during the interval.
D. This view contains information about flashback data pertaining to the last 24 hours.
E. FLASHBACK_DATA is the amount of flashback data generated since the database was opened. -
单项选择题
YouwererecentlyhiredbyCertkiller.comasadatabaseadministrator.Youareaskedtofindoutwhetherthecurrentlyfunctionallistenerprocess，namedL1，hasbeenpasswordprotectedornot.Youarenotfamiliarwiththefilesystemoftheneworganization.Howwouldyouaccomplishthetask？（）
A. by using the STATUS command of the Listener control utility
B. by using the STATUS L1 command of the Listener control utility
C. by using the SHOW RULES command of the Listener control utility
D. by using the SET PASSWORD command of the Listener control utility
E. by searching for the PASSWORD_LISTENER entry in the listener.ora file
