多选题Which two statements are true regarding a tablespace（）AIt can span multiple databases.BIt can consist of multiple data files.CIt can contain blocks of different sizes.DIt can contain segments of different sizes.EIt can contain a part of a nonpartitioned segment.
多选题
Which two statements are true regarding a tablespace（）
A
It can span multiple databases.
B
It can consist of multiple data files.
C
It can contain blocks of different sizes.
D
It can contain segments of different sizes.
E
It can contain a part of a nonpartitioned segment.
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