Oracle OCP 1Z0 053 Q9(DBMS_SPACE.SPACE_USAGE)

9.Which statement describes the information returned by the DBMS_SPACE.SPACE_USAGE procedure
for LOB space usage?
A. It returns space usage of only BasicFile LOB chunks.
B. It returns space usage of only SecureFile LOB chunks.
C. It returns both BasicFile and SecureFile LOB space usage for only nonpartitioned tables.
D. It returns both BasicFile and SecureFile LOB space usage for both partitioned and nonpartitioned
tables.
Answer: B

參考：http://blog.itpub.net/17013648/viewspace-1246180/
       http://blog.csdn.net/rlhua/article/details/15643969

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