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relational data model中文是什么意思

  • 关系数据模型
  • 相关数据模型

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  • Paraconsistent database , which based on 4 - valued paraconsistent logic and relational data model , can effective manipulate two kinds of uncertain information
    但以次协调逻辑与关系数据模型相结合而产生的次协调数据库能够有效地处理这两类不确定信息。
  • Based on the schema of the system of information integration , the dissertation presents a common data model ( jidm ) which is a relational data model based on java
    在分析了信息集成系统的模式结构的基础上,本文提出了一种基于java的关系数据模型( jidm )作为集成系统的公共数据模型。
  • In the database designing , this paper researches the design method , which combines expended relational data model and object ? elational data model , and realized the graph and image database
    在数据库设计中研究了使用扩展关系数据模型和对象关系数据模型相结合的设计方法并成功实现图形图像数据库。
  • Based on the reference feature of object - relational data model and the query language , the join algorithm sort - loops , probe - loops and segment - join are proposed , their performance are analyzed and compared
    针对对象关系数据模型和查询语言所支持的引用特性,设计了基于引用的连接算法sort - loops 、 probe - loops以及segment - join 。
  • As virtual database uses relational data model , the paper makes a special effort to discuss query rewriting technology - rewriting queries using views and its conjunctive query , containment mapping under this model
    基于虚拟数据库所采用的关系数据模型,着重探讨了该模型下的查询重写技术? ?利用视图重写查询以及基于其上的合取查询、包含映射等问题。
  • Based on the work - packaging model and the database technique , the paper establishes the relational data model of the projects in civil engineering . the model will provide a method to use the computers in the projects in civil engineering
    以工作包模型和数据库技术为基础,建立了工程项目关系数据模型,为计算机技术在工程项目管理中的应用提供了一定的理论基础。
  • By analyzing the requirement of simulation and the framework , an object - relational data model which adapts to driver , vehicle , highway and environment simulation is established and the mapping principle and achieving method is studied on
    从人车路与环境仿真系统的数据需求和体系结构出发,建立了适合人车路与环境仿真数据库的对象?关系数据模型,研究了其映射机制和实现方法。
  • First , in this paper , a paraconsistent relational data model and its algebraic operators are introduced briefly . then , paraconsistent relational calculus based on this model is discussed and domain relational calculus for paraconsistent database is presented
    本文首先简要介绍了次协调关系数据模型及其代数运算,并在此基础上进一步讨论了次协调关系演算,提出了次协调关系上的域关系演算。
  • In other words , go ahead and be excited by xml s promise of a universal data transport mechanism , but keep your backend data on something designed for it , like db2 or oracle or on postgres or mysql for smaller - scale systems . the original paper introducing the relational data model is
    换句话说,可以继续使用xml并会为它所许诺的通用数据传送机制而感到兴奋,但请将您的后端数据存放在为它设计的数据库(例如db2或oracle )上(对于规模比较小的系统,请保存在postgres或mysql上) 。
  • To manage data storage , many database management system are now available , like oracle , ms sqlserver , db2 , infomix , sybase and mysql etc . these systems are all based on the theory of relational data model , and can provide us with strong functions on data storage management
    在数据的存储方面,有oracle , mssqlserver , db2 , informix , sybase , mysql等成熟的数据库服务器产品提供比较完善的功能。这些建立在关系数据理论上的产品无论是在功能、效率还是安全等方面可以说完全能够满足现有数据存储的需要。
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Last modified time:Sun, 10 Aug 2025 00:29:56 GMT

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