relational tree
英 [rɪˈleɪʃənl triː]
美 [rɪˈleɪʃənl triː]
网络 关系树
双语例句
- A Relational Database Stored in the Random Tree Method
一种用关系数据库存储任意树的实现方法 - Commonly the complexity of tree time of tree-structured data based on relational model is O ( n2). When the scale of tree becomes larger, the response time to display tree-structured data is longer, which will affect the using efficiency of the users.
常见的基于关系模型的树结构数据的建树时间复杂度为O（n2），当树的规模较大时，显示树数据的响应时间较长，影响用户的使用效率。 - The performance evaluation of relational database on b~+ tree index
基于B~+树的关系数据库性能评价 - Research of storage in Relational Database and display on web based data of tree structure
基于树型结构数据的关系数据库存储与网页显示的研究 - The innovation of this article is the security loophole scanning design model based on port scanning and the scanning engine which uses openning port-relational tree strategy.
本文的创新之处是提出了基于端口扫描的安全漏洞检测系统的总体设计模型和扫描引擎开放端口&依存关系树插件调度策略。 - In this paper, the SQL ( D) data model based on the relational database is presented, which gives the formal definition of hierarchy tree, hierarchy chain and dimension. The unbalance and heterogeneity of dimension hierarchy are permitted in this model.
为此，提出了一个基于关系数据库的SQL（D）数据模型，它给出了层次链、层次树、维的正式定义，支持不平衡、异构的维层次结构； - Based on the grey relational analysis, two problems were both studied. The first was the biological and ecological characteristic from long mutual interaction of species and environment. The second was the relative dominant factors influencing tree species.
通过灰色关联分析，从植物物种水平，探讨了物种之间的关系、物种与环境长期相互作用形成的生物学、生态学特性及影响主要树种的相对主导因子； - Therefore, this paper proposes the storage structure of tree data based on relational model, and studies and implements a high efficient method of visualization management based on tree structure of relational model.
针对该问题，本文设计并实现了一种基于关系模型的树数据存储结构，研究并实现了一种高效的基于关系模型的树结构数据可视化管理的方法。 - The real-time database system is the core technology of the monitoring platform. It load automatically the data from relational databases according to the mode. The real-time database system uses B tree index and provide API through interface library.
实时数据库系统是嵌入式监控系统的核心技术，它根据实时库的模式自动加载关系数据库的数据，并建立相应的B树数据索引，并通过接口库对外提供统一的实时库访问服务。 - The XML tree to relational database parsing step is divided into three parts: parsing XML tree and storing the basic informations and tree structure in relational database, adding Dewey Order label for every tree node, calculating parameters for segmentation algorithm.
XML向关系数据库的转化可以分为3个部分：解析XML树将节点树关系存储在关系数据库中：为每个节点加DeweyOrder标签；计算子树分割需要的参数。 - First of all, a vector model of relational database and a XML schema tree model are proposed, preserving the structure, properties and user-defined constraint information.
首先，给出表示关系模式的向量模型，保存了关系结构与属性信息和用户自定义约束信息；同时根据XML是典型的树状结构的特点，给出了XML模式树模型。 - This paper aims at different analysis function respectively and adopted using bayes, relational analysis, decision tree analysis, cluster analysis and so on to the data mining and carries on analysis to information of register and books. 3.
针对不同分析功能分别采用了基于贝叶斯、决策树、聚类分析、关联规则、时序、神经网络、线形回归等多策略挖掘模型，对注册会员的信息和图书信息进行分析。