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72、Which is true about enabling AUTOEXTEND for data files?

A. It can be enabled for data files only in smallfile tablespaces.

B. It can be enabled for an existing data file in a tablespace by using the ALTER TABLESPACE command.

C. It can be enabled only for data files in non-OMF tablespaces.

D. It can be enabled for data files only in bigfile tablespaces.

E. It can be enabled for a new data file that is added to a tablespace only if the existing data files in that tablespace have autoextend enabled.

Answer:B

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