多项选择题

A.Online backups.B.Skipping unused block. C.Partial dat……

Which three features are provided by Recovery Manager and NOT provided by user-managed backup and recovery？（）

A.Online backups.
B.Skipping unused block.
C.Partial database backups.
D.Incremental block-level backup.
E.Detection of corrupted blocks during backup.

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多项选择题WhichtwoSQL*Loaderinstructionsareusedtoassemblelogicalrecords？（）

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