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You lost a temporary file that belongs to the default temporary tablespace in your database. From the options provided， which approach would you take to solve the problem？ （）
A:flash back the database
B:import the temporary tablespace from the last export
C:restore all the data files and temporary files from the last full database backup and perform a recovery
D:not perform a recovery， but create a new temporary tablespace， make it the default temporary tablespace and then drop the old tablespace

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出自：Oracle认证

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