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。
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。
Most of the tools and techniques I discuss are also a serviceable means of working with more data-oriented XML documents, but the emphasis in this column is working with marked-up prose.
我所讨论的大多数工具和技术也是使用更多面向数据XML文档的有用方法，但本专栏的重点是使用标记过的散文。
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。
Double-column structure, a saw-oriented party to adopt a circular rail, and ensure guidance accuracy and reliability of sawing.
双立柱结构，锯架导向采用一圆一方导轨，保证导向精度，锯削稳定可靠。
Double-column structure, a saw-oriented party to adopt a circular rail, and ensure guidance accuracy and reliability of sawing.
双立柱结构，锯架导向采用一圆一方导轨，保证导向精度，锯削稳定可靠。
应用推荐