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In what order would you execute the following steps to create a recovery catalog？（） a.Issue the create catalog command.  b.Create the recovery-catalog database.  c.Create the recovery-catalog user.  d.Grant the recovery_catalog_owner privilege to the recovery-catalog user.  e.Issue the register database command from the target database.
A:a，b，c，d，e
B:b，a，d，c，e
C:b，c，d，a，e
D:b，c，d，e，a
E:b，d，c，a，e

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出自：Oracle认证

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