Oracle 11G OCP 1Z0-053 602
(602)On Friday at 11:30 am you decided to flash back the database because of a user error that occurred at 8:30 am.
Which option must you use to check whether a flashback operation can recover the database to the specified time?
A. Check the alert log file
B. Query the V$FLASHBACK_DATABASE_LOG view
C. Query the V$RECOVERY_FILE_DEST_SIZE view
D. Query the V$FLASHBACK_DATABASE_STAT view
E. Check the value assigned for the UNDO_RETENTION parameter
答案:(B)
解析:
我們在做閃回資料庫的時候,查詢V$FLASHBACK_DATABASE_LOG判定你可以閃回的資料庫最早的時間,查詢v$restore_point;可以檢視你有沒有還原點,也有可能成為考點
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