层次数据库

  • 网络hierarchical database;IMS
层次数据库层次数据库
  1. 本文阐述了系统的体系结构,说明了索引库、WEB多层次数据库、数据仓库、数据收集器、数据预处理器和综合数据挖掘器等组成部分的基本功能。

    The thesis explains the systematic structures , the basic functions of index storehouse , WEB multi-level databases and other constitutes .

  2. 提供了对不同数据源的支持,例如基于文件的半结构化文档、关系和层次数据库、Web和目录服务,以及应用服务器和事务服务器。

    Support is provided for a diverse set of data sources , like file based semi-structured documents , relational or hierarchical databases , Web and directory services , and application and transaction servers .

  3. BGS的数据库系统是层次数据库,在设计阶段,采用面向对象的方法对层次数据模型进行分析,并使用UML语言进行系统建模。

    The database of BGS is a hiberarchyed database . In the phase of designing author analysed the system using object-oriented method and constructed a model of the system by UML .

  4. 分布式多层次数据库应用模型研究

    Study on the Model of Distributed Multi-tiered Database Application

  5. 一种基于概念层次数据库挖掘一般化关联规则的算法研究

    Research on the Algorithm for Mining Generalized Association Rules Based on Taxonomic Quantitative Databases

  6. 对于物理记录的处理:层次数据库中所存储的记录是由应用程序来直接操纵的。

    Deals with physical records : The records stored in hierarchical databases are manipulated directly by an application .

  7. 针对单个问题的优化:本质上,层次数据库就通过一条指定的路径来优化数据访问。

    Optimized for one problem : By their nature , hierarchical databases optimized access to the data through one specific path .

  8. 数据库技术经历了从层次数据库、网状数据库到关系数据库以及面向对象数据库的发展,已成为计算机信息系统中的重要基础和支柱,并在传统的商业和事务处理等领域内趋于成熟。

    The technology of database develops from hiberarchy database , retiform database to relational database , even OO database , that has become to the base of information system .

  9. 大多数情况下,就用户而言,他们不关心我们的工作是使用层次数据库、关系数据库、面向对象数据库、平面文件系统,还是魔术来完成。

    In most cases , users don 't care if their job is accomplished with hierarchical databases , relational databases , object-oriented databases , flat-file systems , or black magic .

  10. 文章从企业数据环境的角度,给出了企业数据库体系化环境的概念,说明了各层次数据库的作用,探讨了数据库体系化环境的建设。

    The paper , from angle of enterprise data environment , presents the concept of enterprise database architecture environment , expounds the functions of each hierarchy of database , and discusses the problems of establishing database architecture environment .

  11. 一种嵌入式GIS多比例多层次空间数据库模型结构

    Multi-Scale and Multi-Layer Spatial Database Structure in Embedded GIS

  12. “计算列表纪录公司”更名为IBM——国际商业机器公司,“杰瑞的网络指南”更名为“雅虎”(Yahoo),这是“另一种非官方层次化数据库”的首字母缩写。

    Computing Tabulating Recording Corporation became IBM ( International Business Machines ) , while Jerry 's Guide to the World Wide Web became Yahoo , an acronym for Yet Another Hierarchical Officious Oracle .

  13. 计算列表纪录公司更名为IBM&国际商业机器公司,杰瑞的网络指南更名为雅虎(Yahoo),这是另一种非官方层次化数据库的首字母缩写。

    Computing Tabulating Recording Corporation became IBM ( International Business Machines ), while Jerry 's Guide to the World Wide Web became Yahoo , an acronym for Yet Another Hierarchical Officious Oracle .

  14. 在设计层次型数据库时,一个较好的设计方法是分二步走:首先利用实体联系方法抽象出现实世界的实体联系模型,然后将实体联系模型变换到具体DBMS所支持的层次型模型。

    A good algorithm to design such a hierarchical database consists of two steps , first , to describe real world in E-R model and then , convert it to the model supported by the DBMS .

  15. 根据AMPES及各模块功能要求,分层次设计数据库,对综合数据库和各模块数据库的关系、层次结构、数据库中所含表的数量及表的具体结构进行了详细设计。

    According to AMPES and the function requirements of each module , database were design in hierarchical , and relations between integrated databases and module databases , hierarchical structure , the quantity of tables in database and the specific structure of tables were designed detailedly .

  16. 从会晤层,模式层和语义层三个层次对数据库应用层的入侵攻击进行检测;

    Focusing on database application-level intrusion behaviors ; ( 2 ) .

  17. 太多概念多层次概念数据库的模型

    Too Many Ideas A Model of Multi Hierarchy Conception Database

  18. 一种多层次概念数据库的构造方法

    A Method for Constructing Multiple Layered Concept Database

  19. 基于层次模型数据库的算法设计

    Algorithm design based on hierarchical model database

  20. 基于三层次的数据库加密应用系统

    Three-layer application system for database encryption

  21. 在整合现有资源的基础上,分步骤建立多层次的数据库。

    On the basis of combining existing resources , set up multi-level database step by step .

  22. 系统可以划分为三个层次:数据库服务层、比对与分析服务层和客户端交互层。

    The system can be divided into three levels : database services layer , and analysis service layer and client interaction layer .

  23. 层次型数据库按树型组织记录,每一层的记录分解成更小的属性集。

    The records in hierarchical databases are organized in a treelike structure , with each level of records branching off into a set of smaller categories .

  24. 分析设计了两种不同层次的数据库加密系统,提出了动态密钥管理和密文数据库查询检索方案,并将其中一种方案予以实行。

    The article analyzes and designs two kinds of database encryption systems in different layers , puts forward two projects : the management of dynamic key and the query of cryptograph database , and puts one of them into practice .

  25. 为了提高运动搜索的速度,本文还采用了近似最近邻搜索算法(ApproximateNearestNeighbor,ANN)和骨骼结构的层次细节降低数据库维度的方法。

    Approximate nearest neighbor ( ANN ) search algorithm is used to speed up the search process and a skeleton LOD is used to reduce the dimensionality of motion data .

  26. 多层次天然药物数据库的构建太多概念

    The construction of a multi-aspect Chinese traditional medicine database Too Many Ideas

  27. 基于层次组织位置数据库的连续位置相关查询处理

    Location-Dependent Continuous Query Processing Using Hierarchical Location Databases

  28. 企业百科全书是拥有基于角色控制以及实例层次控制的数据库。

    Enterprise encyclopedias are databases that have role-based access control and instance-level access control .

  29. 为了构造概括数据库,提出了一个用位置概念层次概括原始数据库的算法。

    To construct generalized databases , we propose an algorithm of summarizing the database using concept hierarchies .

  30. 文章通过分析视频数据的特点,提出了在分段基础上的层次模型和数据库的组织。

    In this paper , we analyse the features of video data , and present a kind of stratification data model based on segmented .