大数据就业实战培训 Oracle就业实战培训
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54、Which two are true about space management in tablespaces?
A. Free lists are used for managing free space for segments in locally managed tablespaces.
B. Extent allocation must be specified as automatic for automatic segment space management (ASSM) tablespaces.
C. ASSM tablespaces prevent row chaining.
D. Locally managed tablespaces track adjacent free space automatically by using bitmaps.
E. Locally managed tablespaces have either ASSM or manual segment space management (MSSM), and all the segments in these tablespaces are managed one way or the other.
Correct Answer: DE
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