单项选择题
In which scenario will you use the Flashback Transaction Query feature?()
A. when you want to restore an important table that is dropped from the Recycle Bin
B. when you want to obtain the SQL statements to undo the deletion of some important records from a table by a transaction
C.when you want to restore a dropped user’s schema
D. when a row of a table is updated many times within a specific time period and you want all the versions of the row in the specified time period
相关考题
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单项选择题
YouquerytheORDERStableanddiscoverthatordernumber1101ismissing.Oneofyourreports,generatedat5:00A.M.onApril23,2005usingOracleReports,includesthisordernumberintheoutput.Youhaveinserted100newordersintotheORDERStablesincegeneratingthisreport.Whichflashbacktechnologywouldyouusetorecoverordernumber1101intotheORDERStablewithoutlosingthe100ordersthatyouaddedafterthereportwasgenerated?()
A. Flashback Table
B. Flashback Query
C.Flashback Version Query
D. Flashback Transaction Query -
单项选择题
YoudecidetoenableFlashbackDatabaseinyourOracle10gdatabasesothatfuturerecoverieswilltakelesstimethantraditionalrecoveries.WhichofthefollowingparametersmustbeincludedinyourinitializationparameterfilebeforeenablingFlashbackDatabase?()
A. DB_RECOVERY_FILE_DEST only
B. DB_FLASHBACK_RETENTION_TARGET only
C. DB_RECOVERY_FILE_DEST_SIZE and DB_RECOVERY_FILE_DEST only
D. DB_RECOVERY_FILE_DEST and DB_FLASHBACK_RETENTION_TARGET only
E. DB_RECOVERY_FILE_DEST_SIZE, DB_RECOVERY_FILE_DEST and
F. DB_FLASHBACK_RETENTION_TARGET -
单项选择题
InwhichscenariowillyouusetheFlashbackVersionQueryfeature?()
A. when you want to restore a table that has been dropped from the Recycle Bin
B. when you want to identify the transaction ID of the transaction that deleted some important records from a table
C. when you want to recover the schema of a dropped user
D.when you want to restore a dropped tablespace
