<{p}>105、<{/p}><{p}> <{/p}><{p}>.Which two are true about automatic block repair? (Choose two.)<{/p}>

【多选题】
A <{p}>Automatic block repair can repair blocks with no standby database if DB_BLOCK_CHECKING =<{/p}><{p}> <{/p}><{p}>TRUE.<{/p}>
B <{p}>Real-Time Query must be enabled on a physical standby database for automatic block repair to<{span style="font-size: 1em;"}>be done on that physical standby database<{/span}><{/p}>
C <{p}>Real-Time Query must be enabled on a primary database for automatic block repair to be done<{span style="font-size: 1em;"}>on any of its physical standby databases.<{/span}><{/p}>
D <{p}>It is not possible for media corrupt blocks.<{/p}>
E <{p}>Real-Time Query must be enabled on a physical standby database for automatic block repair to<{span style="font-size: 1em;"}>be done on its primary database.<{/span}><{/p}>

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