relational data model 中文意思是什麼

relational data model 解釋
關系數據模型
  • relational : adj. 有關系的；親戚的；（特指語法上）表示關系的。adv. -ly
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • 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. Translate the cws ( or other clinical database ) relational database into an xml stream and re - constitute the data in a better normalized data model

    將cws （或者其他的臨床資料庫）相關資料庫轉化成一個xml流，並且重建一個較好的規?化資料模型上的數據。
  2. Study and improvement of mls relational data model

    多級安全關系數據模型研究及其改進
  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. 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

    在數據的存儲方面，有oracle ， mssqlserver ， db2 ， informix ， sybase ， mysql等成熟的數據庫服務器產品提供比較完善的功能。這些建立在關系數據理論上的產品無論是在功能、效率還是安全等方面可以說完全能夠滿足現有數據存儲的需要。
  5. While xml enthusiasts have begun to see everything in the world encoded with xml tags, the relational database model is entrenched and most of the world s digital data is encoded in tables that are composed of rows and fields

    雖然xml的狂熱者可能將世界上的一切都看成是用xml標簽編碼的，單關系數據庫模型仍然根深蒂固，世界上大部分數字數據是用由行和列組成的表來進行編碼的。
  6. 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

    基於虛擬數據庫所採用的關系數據模型，著重探討了該模型下的查詢重寫技術? ?利用視圖重寫查詢以及基於其上的合取查詢、包含映射等問題。
  7. The mapping between global schema, export schema and local schema is presented based on the model, which solves the problem of mapping between jidm and relational data, xml files, object - oriented data model

    在該模型的基礎上，介紹了全局模式、輸出模式以及局部模式之間的映射關系，解決了jidm模型與關系模型、 xml文件以及面向對象模型之間的映射問題。
  8. Paraconsistent database, which based on 4 - valued paraconsistent logic and relational data model, can effective manipulate two kinds of uncertain information

    但以次協調邏輯與關系數據模型相結合而產生的次協調數據庫能夠有效地處理這兩類不確定信息。
  9. Data is the basis of sanulation. relational data model and ~ al datu modl are described, and its realhation is discussed, too

    數據是模擬的基礎，本文對關系數據與空間數據模型進行了描述，並討論了它們的實現。
  10. 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

    本文首先簡要介紹了次協調關系數據模型及其代數運算，並在此基礎上進一步討論了次協調關系演算，提出了次協調關繫上的域關系演算。
  11. Relational data model and object - oriented data model are prevalent now

    目前流行的通用數據模型主要是關系數據模型和面向對象數據模型。
  12. 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

    針對對象關系數據模型和查詢語言所支持的引用特性，設計了基於引用的連接演算法sort - loops 、 probe - loops以及segment - join 。
  13. So just what is the relationship between xml and the relational data model

    那麼xml與關系數據模型之間的關系究竟是怎樣的？
  14. Poor construction of the relational data model can lead to scalability issues

    不佳的關系數據模型結構可能導致可伸縮性問題。
  15. The relational data model and use of the sql language allows for enterprise level performance and scalability

    關系數據庫模型和sql語言的使用必須考慮到企業級性能和可伸縮性。
  16. The importance of order in xml contrasts sharply with the absence of intrinsic order in the relational data model

    Xml中次序的重要性與關系數據模型中缺少固有次序形成了鮮明對比。
  17. Since the data warehouse is still mostly in a relational data model style, it is best to advise your customer to build business reports from data marts

    因為數據倉庫幾乎仍然都是關系數據模型類型的，所以最好是建議您的客戶從數據集市構建業務報表。
  18. 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。
  19. 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統的模式結構的基礎上，本文提出了一種基於java的關系數據模型（ jidm ）作為集成系統的公共數據模型。
  20. 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

    從人車路與環境模擬系統的數據需求和體系結構出發，建立了適合人車路與環境模擬數據庫的對象?關系數據模型，研究了其映射機制和實現方法。
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