层次数据库 meaning in Chinese
hierarchical data base
hierarchical database
laminarization data base
Examples
- Figure 2 illustrates relational database structure covering roughly the same data as the hierarchical example
图2说明了关系数据库的结构（使用几乎和层次数据库示例中相同的数据） 。 - Generally speaking , h ierarchical databases arose in the 1960s , on the mainframe data processing technology of the time
一般而言，层次数据库兴起于60年代，用在当时的大型机数据处理技术方面。 - In hierarchical databases , data access is utterly predictable in structure ; therefore both retrieval and updates can be highly optimized by a dbms
在层次数据库中，数据访问在结构上是完全可预测的；因此dbms可以高度优化检索和更新。 - The database theory starts for 1960s , and come through hierarchical model database system , network model database system , and relational model database system
数据库技术始于20世纪60年代,几十年来,数据库技术的发展经历了由层次数据库系统、网状数据库系统,到关系数据库系统。 - The second part is the main part of the paper . it put forwards several new thoughts as communication middleware , servant middleware , and entity object etc . , and designs several new multi - tiered database models
第二部分首先对论文涉及到相关知识进行了比较和分析；然后，通过中间件和实体对象的构造等方法进行分布式多层次数据库模型的设计。