entity relationship 中文意思是什麼

entity relationship 解釋
實體關系
  • entity : n. 1. 實體；統一體。2. 存在（物）。3. （有別于屬性等的）本質。
  • relationship : n. 1. 親戚，親戚關系。2. 關系，聯系。3. 〈委婉語〉男女關系〈指男女之間的曖昧關系〉。
  1. Entity - relationship - attribute designs and sketches. theory and application of category theories, 2002, 10 : 94 - 112. 19 burstall r m, goguen j a. putting theories together to make specifications

    所謂類范疇，就是放棄了帶類型範疇中兩個首尾相接的態射一定能組合成第三個態射，且它們的類型也相應組合這一要求。
  2. In addition, it puts forward a nested temporal db, which, with stronger expressive ability than others, is a breakthrough to entity - relationship model and is referred to as nter model. it also verifies the expressive ability of nter when it is applied to sidss. finally, in view of the features of sidss and the current status of salary distribution system, it conducts initial study of the sidss based on temporal - spatial relationship and the sidss with a temporally - driven knowledge database, with the aim for us to develop a consummate sidss system in the future

    本文中，介紹了時態數據庫的基本概念、發展、特點和分類；結合sidss的背景、特色及體系結構，詳細討論了sidss的時態性及其數學模型，指出將時態數據庫應用到sidss並作進一步的研究是必然趨勢，並在此基礎上研究了時態數據庫系統的模型；在探討了幾種模型之後，打破實體-關系類的模型的框框，提出了一個表達能力較強的嵌套時態數據模型，稱之為nter模型（ nestedtemporalentity - relationshipmodel ） ，並驗證將其應用到sidss系統中的表達能力；最後針對sidss的特點以及目前工資管理系統的狀況，進一步對基於時空關系的sidss系統、由時態驅動知識庫的sidss系統進行初步探討，以期今後對開發更完善的引） ss系統作進一步的研究。
  3. Chapter five describes the implementation of fuda management system. the dfd ( date flow diagram ) and e - r ( entity - relationship ) diagram of the three key parts of the system ( production, sales and stock ) are presented hi detail

    第五章是富達管理系統實現，包括銷售管理、庫存管理和生產管理三個部分，重點說明第三、第四章中討論的生產計劃和調度部分的系統實現。
  4. With the help of the desiign principle of standardized database, it concludes the approach how to eliminate transfer dependence on the correlative tables, and discusses the way of how to use entity - relationship ( e - r ) model to design the database

    論文還通過範式及規范理論，推導了如何消除關系表中的傳遞依賴，並討論了使用實體聯系（ e - r ）模型設計數據庫的方法。
  5. With the widely applied of web technology in catering, the information management system of restaurant based on internet is developing fast 。 based on the local area network, this subject researches and completes the foregrounding of restaurant achieved on the electronic business platform by using java and network database technologies 。 by combining all of these, this paper researches the foregrounding of restaurant, and brings forward the scheme of completing system based on b / s mode 。 all research and work including the process of development of enterprise information nowadays ; the research on net application of java ; the design of developing platform ; the research and design of system frame and function ; the research and realization of the database design ; the design and realization of the room information 、 client information 、 sell information and the adding menu of the management system of manager 。 among these i mainly research the following key technologies : the design of data flow diagram and entity - relationship diagram ; the modeling of virtual floor using java applet and java gui ; the linking realization between jsp and sql sever 2000 ; the design of room - query 、 reserving - room and the judgment of reserving again ; the design of coding and ordering fishes list ; the design of checking - out of the system ; the design of the cancel of the order 、 statistics of the consumption and the inputting of data of the manager 。 this system completes the restaurant booking - room 、 ordering - dishes 、 checking - out and helping based on local area network, and completes the information query and adding data of the manager 。 at last, by testing, the system shows that the system is feasible and the good effect expected can be acquired, and it greatly enhances the restaurant information 。

    主要研究工作包括:國內外企業信息化的發展歷程; java的網路應用研究;系統的開發平臺設計;系統體系結構和功能模塊的設計;數據庫設計的研究和實現;管理員管理系統的包間信息、客戶信息、銷售信息和菜譜添加的設計與實現。其中重點實現了如下關鍵技術:數據流圖和e - r圖設計; javaapplet和javagui相結合的虛擬樓層建模; jsp網頁與sqlsever2000數據庫的連接實現;訂包間系統的包間查詢、訂包間和重復訂包間判斷設計;點菜系統的編碼設計和點菜單設計;結賬系統的賬單計算;管理員管理系統的訂單取消、消費統計和數據輸入等設計。本課題研製的餐館前臺信息管理系統實現了餐館的局域網前臺訂包間、點菜、結賬和幫助功能;同時實現了管理員管理系統的信息查詢和添加數據等功能。
  6. 12 chen p p. the entity - relationship model - toward a unified view of data

    例如，定義一個問題歸約范疇有所有的問題類組成。
  7. 2 after the research for engineering database, combining this system specific engineering database demand, establish the entity - relationship diagram for cutting parameter engineering database and convert the entity - relationship diagram to relation model

    2通過對工程數據庫的研究，結合本系統中切削參數工程數據庫要求，建立了切削參數工程數據庫的實體?聯系模型，並將實體?聯系模型轉換為關系模型。
  8. Topics include : relational databases, sql ( structured query language ) ; types, relations, relational algebra, integrity, view ; functional dependency theory, normalization, semantic modeling, entity - relationship modeling, conceptual database design ; concurrency control, security ; database and web connectivity, xml

    主題包括:關聯式資料庫、 sql （結構查詢語言） ;資料類型、關聯、關聯式代數、完整性、景觀表;功能依附理論、正規化、語義塑模、實體關聯塑模、概念性資料庫設計;同時操作控制、安全;資料庫與網頁連結、 xml （可擴展標示語言） 。
  9. On conversion rules from entity - relationship diagrams to relationship models

    圖向關系模型轉換規則的研究
  10. Database of data warehouse and traditional operational database are compared in this paper, then the design of " normative " operation system is reviewed, four typical data models are introduced - entity - relationship model 、 object model 、 dimensional model and star model

    摘要比較了數據倉庫數據庫與傳統操作型數據庫，回顧了「規范的」操作型系統設計，介紹了四種典型的數據模型實體關系模型、對象模型、維模型和星型模型。
  11. During the design of accelerator cavity, we must face complicated objects and time - varied data. it is necessary for us to consider an object - oriented and temporal data model. therefore, we give a conceptual data model, that is entity - relationship data model ( shorten as ter model )

    目錄中國原子能科學研究院博士學位論文h在加速器腔體的設計中，所面臨的對象是復雜的，數據是時變的，所以我們有必要提出一個面向對象的、時態的數據模型。
  12. An ooa model may be expressed informally in diagrams or text, or more formally in entity - relationship ( er ) diagrams, data - flow diagrams, state - transition diagrams, or a variety of specialty representation currently available

    面向對象分析模型可以非正規地用圖表或者文本表示，或者正規些用實體關系圖，數據流圖，狀態轉換圖，或可以利用的其他方式來表示
  13. The entity - relationship model has gained acceptance in database design and is widely used in practice

    實質-聯系的模型已經得到數據庫的接收設計並且廣泛地被用於練習。
  14. The entity - relationship model and the object - oriented model are representatives of the class of the object - based logical models

    實質-聯系的模型和物件定向的模型是以物件為基礎的合乎邏輯的模型類別的代表。
  15. The object - oriented model includes many of the concepts of the entity - relationship model, but represents executable code as well as data

    物件定向的模型含實質-聯系的模型許多觀念，但是表現可運行的碼和數據。
  16. Some authors draw a clear line between the design models, typically uml models or entity - relationship models which are supposed to be abstract, and the xml schemas which include lots of implementation details

    一些作者在設計模型和xml模式之間劃了一條清晰的界線，設計模型通常是uml模型或實體-關系模型，被認為是抽象的，而xml模式則被認為包含大量的實現細節。
  17. Abstract : taking verification information management system of hardness specimen as an example, a method of realizing concept design and realization design of data - base by e - r method ( entity - relationship approach ) is introduced

    文摘:以硬度塊檢定信息管理系統的設計為例，介紹了一種用e - r方法（實體-聯系方法）實現數據庫的概念設計、實現設計的方法。
  18. You will also learn how to use azzurri clay to create entity relationship diagrams erds, reverse - engineer databases, add tables, edit tables, delete tables, edit relationships, add indexes, and change your underlying data model into different sql dialects

    您將看到如何使用azzurri clay建立實體關系圖（ erd ） 、對數據庫進行逆向工程、添加表、編輯表、刪除表、編輯關系、增加索引以及將底層的數據模型改為不同的sql方言。
  19. Entity relationship diagram er

    實體關系圖
  20. Entity relationship diagram

    實體關系圖
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