Through analyzing the characteristics of sparse data, we conclude that it's suitable for column-oriented database to store sparse data and give the method of how to design sparse database.

结合列存储数据库系统与稀疏数据自身的特点，本文提出了一种列存储数据库系统适宜存储稀疏数据的观点，并给出稀疏数据库的设计方式。

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Otherwise, in the next column, we will examine Service Data Objects, and how EJBs (both entities and sessions) will play a role within a Service Oriented Architecture.

另外，在下一个专栏中，我们将研究服务数据对象，以及EJB(实体和会话)将如何参与到面向服务体系结构中。

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When the patterns of images are obviously oriented, measured D values from the row method are different from the column method.

当图像有明显的走向模式时，按行方法所测量的D值与按列方法测得的D值是不同的。

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The same thing applies to column-oriented databases, such as HBase and Cassandra.

FORBES: What You Need to Know About NoSQL Databases