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多項選擇題

You are creating a locally managed tablespace to meet the following requirements： All the extents should be of the same size. 
The data should be spread across two data files. 
A bitmap should be used to record the free space within the allocated extents. Which three options would you choose？（）

A.set PCTFREE and PCTUSED to 50
B.specify extent allocation as Uniform
C.specify extent allocation as Automatic
D.create the tablespace as bigfile tablespace
E.create the tablespace as smallfile tablespace
F.set segment space management to Automatic
G.use the RESIZE clause while creating the tablespace

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