我们需要引其他一些东西进来才能解释清楚，元素周期表中发生的这种现象。
We need to add something else in order to explain what is going on in the Periodic Table.
DB 2 V 9引入了一个表分区特性，它能够增加一个表的可能大小，同时能够显著减少管理大型数据库所需要的维护。
DB2 V9 introduced a table partitioning feature that can increase the potential size of a single table, and significantly reduce the maintenance effort required to manage very large databases.
DB 2 V9.5引入了XML数据的基础表行存储。
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