relation schema 中文意思是什麼

relation schema 解釋
關系圖, 關系模式
  • relation : n 1 說話，敘述，報告；故事。2 關系，聯系；〈pl 〉（利害）關系，交情；〈pl 〉國際關系。3 親戚關系...
  • schema : n （pl schemata ）1 圖解；圖表；略圖。2 摘要，一覽；大要，大意；綱要，要略。3 【邏輯學】（三段論...
  1. This thesis firstly introduces new demands of aerial product logistics support under high - tech war and some defects of traditional logistics support, and puts forward a kind of system model of aerial product logistics support following data - sharing of cals, and emphasizes detm. secondly it sets forth application of step and xml in the ietm, researchs conversion of xml schema and relation schema, and simply researchs mapping of xml and express. afterword, a based - xml framework of info - transfer between different platform are presented, according to this framework, the author establish a archetypal system of helicopter information query system based xml and dbms

    本文首先介紹了現代高科技戰爭條件下對航空產品維修保障的新要求，概述了傳統的後勤保障技術的不足，遵循cals的數據共享的理念，提出了航空產品維修保障系統模型，重點研究了互動式電子技術手冊；接著分析了step標準和xml技術在製作互動式電子技術手冊中的應用，重點研究了肌模式和關系模式之間的相互轉換，初步研究了xml和express語言之間的映射關系；然後，提出了基於xml的一種解決航空產品信息跨平臺傳遞的解決方案，給出了該方案的具體實現流程和詳細的通訊協議，並開發了基於xul和數據庫的某型號直升飛機的信息查詢原型系統。
  2. There are six chapters in this paper. the concept of hetergensous databases and the importance of data exchange among hetergeneous databases are illustrated in the first chapter. the adopted technology of hetergeneous databases exchange is introduced in the second chapter. and the idea exploring xml implementing hetergeneous databases exchange is proposed. the development of xml and its application are reviewed and the relation of the logical structure of xml and dtd and schema is analyzed in the third chapter. the structure of the system exploring middleware tecknology implementing data exchange among hetergeneous databases is investigated in the fifth chapter. conclusion is given in the sisth chapter as a summary for this paper

    全文共分六章：第一章闡述了異構數據庫的概念以及異構數據庫間數據交換的重要性；第二章介紹了通常情況下異構數據庫間數據交換所採用的各種技術，在此基礎上提出了利用xml實現異構數據庫間數據交換的思想；第三章回顧了xml的發展歷程和其主要應用領域，分析了xml的邏輯構成以及dtd和schema的關系；第四章介紹了xml數據庫的基本概念和相關技術並對其使用方法進行了分析；第五章介紹了利用xml中間件技術實現異構數據庫間數據交換時的系統結構以及中間件的實現；第六章對全文進行了總結。
  3. 2. the common mistakes of junior middle school students " problem solving are mainly about the relation perception, the schema and the calculation. sala students have more mistakes in schema while han students have more in calculation

    初中學生數學問題解決中的常見錯誤是關系感知錯誤、圖式錯誤和計算錯誤，最常見的是關系感知錯誤，撒拉族學生的圖式錯誤較為嚴重，漢族學生的計算錯誤高於撒拉族學生。
  4. Virtual ontology data source shields the detail of low - leveldatasource, andprovides aconsistentaccessinterfacefortopperusers. wediscussedthemethodof transforming relation database to virtual ontology data source ( which is also called databasedeep annotation ). we designed the database schema description language and mapping rulesdescriptionlanguage, andgavearesolventforrelationmodeling. at last, we bring out a framework of general natural language interface, and implement adatabasenaturallanguageinterface. makinguseofaspecificexample, wemadeanevaluationofthissystem

    我們具體討論了從關系數據庫系統到虛擬本體數據源的轉換（也稱為數據庫深度註解） ，定義了關系數據庫的結構知識描述語言和通用的映射規則描述語言，給出了多元關系建模的解決方案。
  5. Scientific and statistical databases ( ssdb ) have following characters, firstly, relation schema is relatively stable, and each attribute has limited candidate values with high redundancy, secondly, new arrival data only append to the end of current data area and do not change the exist data, thirdly, every relation is made up of plenty of attributes, but majority of queries only relative with less attributes and most queries are read - only queries

    科學與統計數據庫（ scientificandstatisticaldatabase ， ssdb ）具有如下特點: （ 1 ）關系的模式穩定、屬性值的值域有限、數據冗餘大; （ 2 ）新產生的數據只追加到當前數據末尾而不更新已有內容; （ 3 ）每個關系都由大量屬性組成，但大多數查詢只與少數幾個屬性相關且多為只讀操作。
  6. The feature of xrdb system is follow : the relation of xml element and it ' s son is keeped by relation - dictionary, as the same time the relation - dictionary keeped the element attributes, content and their corresponding in relation database. in order to get the more efficiency relation table, the dom tree of xml schema is trimed for getting orderliness xml schema. for efficiency rewrited path expression into sql, the relation dictionary keeps every xml element ' s absolute path

    Xrdb系統的主要特色有：用關系字典保存xml元素的父子關系，元素的屬性，內容以及它們對應的關系數據庫表名，列名；對xml模式的dom樹進行修剪，使xml模式整潔，從而使映射得到的關系的更合理；關系字典保存了每個元素的絕對路徑，可以快速地把路徑查詢重寫為結構化查詢； xrdb的查詢結果是原來xml文檔的文檔片段。
  7. The relation schema for storing these xml documents will vary for the two databases

    對于這兩個數據庫，用於存儲這些xml文檔的關系模式將有所不同。
  8. In the main body of this paper, the database design process is introduced, in which the database relation schema, data integrity and fault recovery are emphasized, and, the communication protocol designed for remote data acquisition is discribed and validated by petri nets, the develop method of client application and resolvent to some problems are also discussed, including the design of communication component, the asynchronous data return, how to dynamically return image to the client navigator in web application etc. finally, an abbreviated evaluation about the finished system is given

    在論文的主體部分，論文詳細介紹了數據庫的設計過程，其中主要涉及到關系模式的規范化、數據完整性和故障恢復設計等，隨后，文章設計了一種用於遠程數據採集的通信協議，並使用petri網進行了描述和驗證，論文也介紹了如何進行客戶端應用程序的開發以及一些主要問題的解決，主要包括通信控制項的設計、採集數據的異步返回、在web應用程序中如何動態為客戶端返回圖形等。最後，論文對整個系統做了一個簡單的評估。
  9. At present, the data warehouse systems is more built on the relation database, so the star schema simulates the expression and memory of multidimensional data model by the relation model, for improving visit efficiency

    星型模型是數據倉庫的數據模型設計一個補充部分，目前數據倉庫系統多建在關系數據庫之上，所以星型模型是由關系模型模擬多維數據模型的表示和存儲，提高了數據倉庫訪問效率。
  10. Then constructing six theory frames that form the element that the landscape model is major from the solid and void schema category, study the nameless attribute that the research landscape " inherent " moves and go out the organization law of the model plane. finally, bring into the landscape model theory to the south of crthe. takes the landscape model analysis as the principle, setting out from respectively the solid and void landscape model relation, i have comprehensively gone deep into the potential characteristic of the particularity of crthe

    首先，交待了江南城鎮特色研究的成就與不足，在初步建構的景觀模式理論模型基礎上，引人模式理論作為研究的切入點；然後，從外部事件與內部事件的模式范疇中構建了景觀模式主要的四個構成元素的理論框架，研究景觀環境「內在運行」的無名特質，深入到其核心部分，找出其模式層面的組織規律；最後，將景觀模式理論納入到江南城鎮歷史環境的研究中，從內部事件的景觀模式出發，結合江南實例，深入綜合的探討了獨具特色的江南歷史環境的特殊性產生的潛在機制。
  11. For the inquiring convenience, comprehensive service and the following data digging, all the tables of system are grouping, and re - edited into “ star schema ” or “ snowflake schema ”. hibernate is an object - relation mapping software which is more and more popular

    在本系統中為了方便查詢，給用戶提供更全面的服務以及下一步要開展數據挖掘等工作，將所有數據表分組，重新設計表結構實現了「雪花型」或「星型」多維數據模型。
  12. Specially, we have researched the topological relation between ros and the measurement of ros. object - relational database technique is a mature database technique, in the chapter 4, we have investigated the technology that using relational schema manager spatial objects, and given a general method or strategy

    對象關系數據庫是較為成熟的數據庫技術，我們在第四章中研究了利用對象關系數據庫處理空間對象的技術，給出了在關系模式中處理空間對象的一般思路和方法，為地理信息系統的有效應用提出了一種切實可行的辦法。
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