17、Which two statements are true about tablespaces?

A) A database can contain multiple undo tablespaces.

B) A database can contain only a single temporary tablespace.

C) A database instance stores undo data In the SYSTEM tablespace If no undo tablespace exists.

D) A database instance hangs If the SYSAUX tablespace becomes unavailable.

E) A database with a locally managed SYSTEM tablespace can have dictionary-managed user tablepaces.

Answer:AE

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