object-relational mapping 中文意思是什麼

object-relational mapping 解釋
對象關系映射
  • 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
  • mapping : n. 【數學】映像，映射。
  1. Two common approaches to mapping xml to databases are : a table - based mapping and an object - relational or object - based mapping

    將xml映射到數據庫有兩種常見的方法：基於表的映射和對象-關系（或基於對象的）映射。
  2. 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。
  3. Hibernate is an object - relational mapping and persistence framework that provides a lot of advanced features, ranging from introspection to polymorphism and inheritance mapping

    Hibernate是一個對象關系映射和持久性框架，它提供了許多高級特性，從內省到多態和繼承映射。
  4. The architecture of the platform was established based on the distributed object computing with corba specifications. the initial graphics exchange specification ( iges ) was introduced to interchange the information between different cad tools. the persistent objects were saved in relational database by mapping persistent objects to relational tables

    建立了基於分佈對象技術corba規范的mems集成設計平臺的框架結構，採用標準數據交換格式iges實現不同工具軟體數據交換，通過「映射法」把持久對象轉換為關系表格用關系數據庫保存持久對象。
  5. 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。
  6. In the second part of the object - relational mapping see table 2, classes are mapped to tables, scalar properties are mapped to columns, and pointer reference properties are mapped to primary key foreign key relationships

    對象-關系映射的第二部分（參見表2 ）中，類映射到表，標量屬性映射到列，指針/引用屬性映射到主鍵/外鍵關系。
  7. Both hibernate and rails persistence frameworks can be classified as object relational mapping tools, meaning that they take an object view of the data and map it to tables in a relational database

    Hibernate和rails的持久性框架可以歸類為對象/關系映射（ orm ）工具，這意味著它們接受數據的對象視圖，並將該視圖映射到關系數據庫內的表中。
  8. You perform an object - relational mapping in two steps

    實現對象-關系映射需要兩步。
  9. Object - relational mapping dtds to databases

    關系映射演算法及實現
  10. In the first part of the object - relational mapping, the models and attributes of

    在對象-關系映射的第一部分，
  11. While the object - relational mapping adheres to object - oriented technology, it is not ideal, either

    雖然對象-關系映射是採用面向對象的技術，但是也不夠理想。
  12. Other lightweight solutions, such as ibatis and the active record design pattern, don t try to do object - relational mapping at all

    其他輕量級解決方案，例如ibatis和active record設計模式，根本不會試圖進行對象關系映射。
  13. The rsdn. framework. data is a namespace that represents a higher - level wrapper for ado. net with high performance object - relational mapping

    這是個為ado . net的高級包裝器提供的命名空間，該包裝器具有很高的對象-關系映射性能。
  14. The table - based mapping can t handle mixed content at all, and the object - relational mapping can be inefficient from a performance point of view

    基於表的映射根本不能處理混合內容，而從性能的角度看對象-關系映射可能效率很低。
  15. For example, spring s object - relational mapping tools can replicate the behavior of enterprise javabeans without introducing the same rigidity

    例如， spring的對象關系映射工具可以復制enterprise javabean的行為，同時不會導致不靈活。
  16. Tornado / db is an object - relational mapping engine for java. features include object caching, multi - table inheritance, compound keys, relationships, xml config., jsp tags, small footprint

    Db是一個對象關系映射引擎，其特性包括對象緩沖、多表繼承、混合關鍵字、關系、 xml配置、 jsp標以及小腳本。
  17. 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。
  18. This flexible and portable programming model abstracts the data access layer using an object to relational mapping layer and the enterprise javabean query language ejb - ql

    這個靈活且可移植的編程模型使用對象至關系映射層和enterprise javabean查詢語言（ enterprise javabean query language ， ejb - ql ）抽象了數據訪問層。
  19. Simplicity is the biggest advantage of sql maps over other frameworks and object relational mapping tools

    簡單性是sql maps優于其他框架和對象關系映射工具的最大優點。
  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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