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You want to enable resumable space allocation at the instance level. Which two actions would enable resumable space allocation at the instance level？（） 
A: issuing the ALTER SYSTEM ENABLE RESUMABLE；statement
B: issuing the ALTER SESSION ENABLE RESUMABLE；statement
C: modifying the RESUMABLE_TIMEOUT initialization parameter to a nonzero value
D: issuing the ALTER SYSTEM SET RESUMABLE_TIMEOUT=；statement

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出自：Oracle认证

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