object-relational database model 中文意思是什麼

object-relational database model 解釋
對象關系數據庫模型
  • object : n 1 物,物體,物件。2 目標 (of; for); 目的,宗旨。3 【哲學】對象,客體,客觀 (opp subject); ...
  • relational : adj. 有關系的;親戚的;(特指語法上)表示關系的。adv. -ly
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. Involuntarily, questions of these engineering datas " management appear, datas " persistance only depending relational model and rdbms is greatly insufficient, so this paper carefully studies object - relational mapping based on rdbms based on the analyse of home & overseas actualities, correlative theories and realizing methods of object - relational mapping, we find opl based on rdbms is the most suitable for object relatinoal mapping of clera. based on the engineering application analyse of opl in clera, function requirements, database modes, interface criterions and functions, running modes of opl have being detailedly described. with the framework of microsoft dna, a kind of realizing method of opl based on com / dcom / activex component technology has being brought forward, and this paper describes realizing keys from base tables " definition, object id and class hx class and inheritance of class, object storage, parallel control and affair, object query, object nesting, relations between objects, support of complex data types, right control of object and buffer management of object

    本文在分析對象?關系映射技術的國內外現狀、相關理論及實現方法的基礎上,研究發現基於rdbms的opl是目前最適合clera的對象?關系映射方法;在clera的opl應用分析的基礎上,詳細描述了opl的功能要求、數據庫模式、介面規范與功能、運行方式等內容;結合microsoftdna開發框架,提出了一種基於com dcom activex組件技術的opl實現思路,並從基本表定義、對象標識與類標識、類與類繼承、對象存儲、並發控制與事務、對象查詢、對象嵌套、對象間聯系、復雜數據類型的支持、對象級權限控制及對象緩沖管理等幾方面概述了實現要點。
  2. As the rdbms ( relational database system ) can hardly adapt the requirement of non - traditional application, such as incompetence of model representation, low system with a combination of 00 language, sematic, model, complex object and database system. it absorts the merit of the oodbms and the rdbms, it inherit the mature technology of the rdbms, on the other hand, it import the technology of the 00, so it can boost up the ability of handle complex object, etc

    它針對關系數據庫系統( rdbms )不能適應非傳統應用的要求,如:模型表達能力有限,系統效率低、事務模型太簡單等,結合面向對象語言、語義模型、復雜對象模型和數據庫的幾個方面的研究而形成的一個高度數據集成化系統。
  3. The content of this paper mainly includes investigation content and methods of electronic multi - media military geographic documentations, the data model of multi - media database ( the object - oriented multi - media data model, the extended relational data model, the hyper - text multi - media model ), the general and detailed design for multi - media database and the connecting technique between foreground application and background database, which includes odbc, mfc odbc, dao, ole db and ado

    本文的主要內容包括多媒體電子兵要地誌的研究內容和方法;多媒體數據庫數據模型(面向對象的多媒體數據模型、擴充的關系數據模型、超文本的多媒體數據模型和融合型數據模型) ;多媒體數據庫的總體設計和詳細設計;前臺應用程序與后臺數據庫的多種連接技術,包括odbc 、 mfcodbc 、 dao 、 oledb和ado技術。
  4. In the past 30 years, the database system has already developed the no relational model, the next generation object - relational database system ( ordbs ), the third generation object oriented database system ( oodbs ). in the 1990s later, for the speed of the internet technique, the website base based on the internet promoted the information resource share

    經過30年的發展,數據庫系統已經歷了第一非關系型數據庫、第二代關系型數據庫( ordbs )的發展到面向對象數據庫系統( oodbs )和各種專業數據庫。九十年代後由于網際網路絡技術的飛速發展,基於網際網路的網站數據庫技術為信息資源的共享提供了技術上的保障。
  5. If an odbms ( object database management system ) is to be used, there is a direct mapping between structures in the class model and the odbms structure. this is not true for relational databases

    如果使用物件資料庫管理系統,類別模型結構和物件資料庫管理系統結構之間應該可直接進行配對,但對于關系資料庫而言則並不是這樣。
  6. This paper first introduces the basic concept and its development of workflow, provides the workflow reference model defined by workflow management coalition, and realizes a workflow management system which is based on the traditional relational database system according to the analysis of real business requirements, which includes graphical workflow modeling tool, workflow engine, workflow monitoring tool, and so on. this paper uses object - oriented method, discusses the data model consisting of two components, namely : organization model and information model, and realizes the interface of workflow engine in order to communication with other modules. this paper gives a research on the application of workflow to popular information systems such as erp, crm and e - government

    根據此參考模型,結合實際的科研項目,使用面向對象的方法進行設計,提出了一種基於關系結構的工作流管理系統的框架結構,給出了工作流建模和引擎相關的機構模型和信息模型的詳細設計,並實現了工作流引擎所提供的介面和方法,採用com組件方式,實現了工作流參考模型中提出的圖形化的工作流建模工具( wfmodeling )和用於后臺驅動的工作流引擎( wfengine ) ,並實現了工作流的管理和監控功能。
  7. Abstract : temporal relational database model is extended from relational database by adding time processing , and temporal object - orient database model is extended from object - orient database by adding time processing

    文摘:時態關系數據庫在關系數據庫的基礎上擴充了對時間數據的處理,而時態面向對象數據庫則是在面向對象數據庫的基礎上擴充了對時間數據的處理。
  8. This paper makes use of how to build the object model for the system utilizing object - oriented tecnique in the system implement and the process of the mapping from object model to the relational database model in order to build database

    依據所提出的產開發過程模型,說明了基於動程的產品開發建模方法? dmpa 。利用面相對象技術建立系統對象模型的方法,以及對象模型向關系數據庫的映射,建立數據庫。
  9. The history of the development of database technology can be divided into three phases : the first generation is the reticulation / hierarchical data model based on database ; the second generation is the relational data model based database ; the third generation database which has the object oriented character breakthroughs the localization of the traditional database model which is unable to build model based on complex data structure. the third generation has led the database system to a new time

    數據庫技術的發展經歷了三個階段:第一代數據庫系統是基於網狀、層狀數據模型的網狀、層狀數據庫管理系統;第二代數據庫是基於平面關系模型的關系數據庫系統;以面向對象模型為代表的第三代數據庫系統突破了傳統數據模型在復雜數據建模和管理方面存在的局限性,使數據庫系統進入了新的時代。
  10. Secondly, we study on how to build the object model for the system utilizing object - oriented technique in the system implement and the process of the mapping from object model to the relational database model in order to build the model of the relational database for the system

    接著,研究了利用面向對象技術建立系統對象模型的方法,以及對象模型向關系數據庫的映射過程,進而建立了系統的信息模型。
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