Automatic, hash-function based data partitioning and distribution.
支持自动地基于hash函数的数据分片策略。
Based on your data model, you should select partitioning keys that favor frequent joins and that are based on a primary key.
基于数据模型,选择那些有利于频繁合并且基于主键的分区键。
In some cases, you might find that guidelines for choosing the proper partitioning key based on collocation and data balancing contradict one another.
在某些情况下,您可能会发现根据并置和数据平衡选择恰当的分区键的准则会相互矛盾。
In my last column, I explained how you can use table partitioning to organize data across multiple storage objects based on values in one or more columns.
在我的上一期专栏中,我阐述了如何使用表分区,基于一列或多列中的值,跨多个存储对象组织数据。
Typically, the partitioning key is time-based, resulting in a design that directs data for a given week, month, or quarter to be stored in a certain partition.
通常,分区键是基于时间的,因此这种设计会把某一周、月或季度的数据存储在特定分区中。
In addition, the partitioning key must still be based on relational data.
另外,分区键仍然必须基于关系数据。
In such cases, it is recommended that you choose a partitioning key based on even data balancing.
在这些情况下,建议您基于数据平衡选择分区键。
Based on data partitioning idea and multi-threading technology, a database encryption and decryption method is proposed and its effectiveness is verified by experiments.
利用数据划分思想和多线程技术,提出一种加解密数据库数据的方法并用实验来检验方法的有效性。
And it implements parallel query processing through query localization based on data partitioning and replication.
利用数据划分和复制将查询本地化从而实现并行查询。
And it implements parallel query processing through query localization based on data partitioning and replication.
利用数据划分和复制将查询本地化从而实现并行查询。
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