多項選擇題

What two are the prerequisites for enabling Flashback Database？（）

A. The database must be in ARCHIVELOG mode
B. The database must be in MOUNT EXCLUSIVE mode
C. The database must be opened in RESTRICTED mode
D. The database instance must be started in the NOMOUNT state
E. The database instance must have the keep buffer pool defined

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單項選擇題

Which type of backup must be performed first with an incremental backup？（）

A. Level 1
B. Level 0
C. Level 2
D. Level 3

單項選擇題

Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）

A. Differential incremental backup
B. Different incremental backup
C. Cumulative backup
D. Cumulative incremental backup

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What two are the prerequisites for enabling Flashback Database？（）

你可能感興趣的試題

Which type of backup must be performed first with an incremental backup？（）

Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）

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What two are the prerequisites for enabling Flashback Database？（）

Which type of backup must be performed first with an incremental backup？（）

Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）