relational database theory 中文意思是什麼

relational database theory 解釋
關系數據庫理論
  • relational : adj. 有關系的；親戚的；（特指語法上）表示關系的。adv. -ly
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. 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。
  2. In relational - database design theory, normalization rules identify certain attributes that must be present or absent in a well - designed database

    在關系數據庫設計理論中，規范化規則指出了在設計良好的數據庫中必須出現或不出現的某些屬性。
  3. 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） 。
  4. Leap is an rdbms ( relational database management system ) implementing the relational algebra - a core part of relational database theory

    Leap是一個rdbms ，它實現了關系代數，關系數據庫理論的一個核心部分。
  5. The design of database is based on the theory of relational database system. the ways of maintaining integrality of database and using transaction in multiple table access to guarantee the consistency and recoverability of database are discussed in the thesis

    以關系數據庫系統理論為基礎進行了數據庫設計，並討論了保證數據完整性、在多數據表操作中應用事務處理等問題。
  6. Firstly we introduced research background and theory foundation. data characteristics of half structure and xml and cscw are simply introduced ; very important critical technology of cooperation work : transform between xml and the relational database is researched deeply secondly. the emphatic questions such as principle and thought are expatiated, and a general transformation rule and realization such as the data abstract, integration and transform are put forward ; as well as we introduced data binding in java environment, and put forward a datachange model which works in cooperation work

    本文首先介紹研究的背景和理論基礎，對xml 、 cscw技術和web的半結構化數據特點做了簡單介紹；接著對數據庫協同工作中的關鍵技術： xml與關系數據庫之間的相互轉換進行了深入的研究，闡述了轉換過程中的原理、思想精髓等重點問題，提出了通用的轉換規則，以及在web數據庫中數據的提取、集成、轉換等實現技術；同時還介紹了在java環境下數據綁定的過程，並提出一個協同數據庫管理系統的模型datachange 。
  7. A standard and excellent reference for learning relational database theory is

    學習關系數據庫理論的權威及卓越的參考資料是：
  8. In design, object - oriented technology and the relational database theory are introduced, which make system development based on high level

    在設計中引入了面向對象的設計思想和關系數據庫理論，使系統開發工作處于很高的起點。
  9. In this paper, data mining techniques based on spatial database, especially gis database, are studied, of which spatial data classification based on rough set theory and spatial association rule mining are studied in detail. the differences between mining in spatial database and in relational database are analyzed

    本文以基於空間數據庫特別是gis數據庫的數據挖掘技術為研究對象，主要研究了基於rough集理論的空間數據分類和空間關聯規則挖掘技術，分析了在空間數據庫與在關系數據庫中進行數據挖掘的區別。
  10. The historical development of bom technique is reviewed from theory and practice, and the analysis, design and optimization strategy of relational database based bom are presented. in the flowing section, the paper analyzes traditional bom search algorithms and proposes some optimization algorithms, and then, through applying dag to bom technique, the bom cyclic nesting error check algorithms and low - lever code algorithms are improved as well

    本文重點研究了bom技術的研究現狀，提出了基於關系型數據庫的bom的分析、設計和優化策略；並且對bom的常用遍歷演算法進行分析后對其進行改進；將dag圖運用到bom技術上對bom的循環嵌套錯誤檢查的演算法和低層碼的演算法進行改進。
  11. It is our viewpoint that xml database research will receive benefits from the well - established relational database theory and technology especially in xml databases " early stage

    成熟的關系數據庫理論和技術，必定能在xml數據庫發展的初期，引導xml數據庫的發展。
  12. It also introduces the characteristic and structure of windows dna system and the com component software developing technologies. the thesis presents the implement project of user database configuration which accords with relational database theory criterion

    本文在用戶數據庫組態的設計實現部分利用com組件開發技術，給出了符合關系數據庫理論規范的用戶數據庫組態部分的實現方案。
  13. Furthermore, the tenets of relational theory require the database to be

    而且，關系理論的信條也要求數據庫要經過
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