分离一个数据块的各个部分。例如，从某个数据块中挑选出若干记录。

To separate the parts of a block, for example, to select records from a block.

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虽然你能够分配额外的范围，但数据块他们之间是分离的。

Although you can allocate additional extents, the blocks themselves are allocated separately.

youdao

虽然你能够分配额外的范围，但数据块他们之间是分离的。

Although you can allocate additional extents, the blocks themselves are allocated separately.

youdao