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单选题
Your test database is running in NOARCHIVELOG mode. Which statement is true regarding the type ofbackups that can be performed on the database()
A

You can perform online whole database backups.

B

You can performofflinewhole database backups.

C

You cannot perform schema-level export/import operations.

D

You can perform the backup of only the SYSTEM tablespace when the database is open.


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