249.Evaluate the following command and its output: SQL>SELECT *

分类: 英语题型 发布时间: 2023-12-01 12:13 浏览量: 0

249.Evaluate the following command and its output: SQL>SELECT * FROM dba_temp_free_space; TABLESPACE_NAME TABLESPACE_SIZE ALLOCATED_SPACE FREE_SPACE LMTEMP 250609664 101048576 149561088 Which two statements correctly interpret the output? (Choose two.)

A.FREE_SPACE indicates only the space that is currently unallocated.

B.ALLOCATED_SPACE indicates only the space currently allocated and in use.

C.FREE_SPACE indicates only the space that is currently allocated and available for reuse.

D.ALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is available for reuse.

E.FREE_SPACE indicates both the space that is currently allocated and available for reuse, and the space that is currently unallocated.

正确答案是DE