除了实际的数据外,DB 2需要维护强制的null指示符(1个字节)和长度信息(4个字节)。
In addition to the actual data, DB2 needs to maintain the mandatory null indicator (1 byte) and length information (4 bytes).
实际上,一旦实现这样的精细控制,他们几乎总是很讨厌它,因为这将给需要定义和维护所有元数据的用户带来负担。
In reality, they almost always hate it when it is implemented because it creates such a burden on the users who need to define and maintain all that metadata.
我们的评估:虽然必须维护用于生成不同数据格式的算法,但是实际的数据只需表示一次。
In our evaluation: While the algorithms to generate the various data formats must be maintained, the actual data need only be represented a single time.
应用推荐