logical database structure 中文意思是什麼
logical database structure
解釋
邏輯數據庫結構-
Logical structure of the database for gas - field
氣田開發數據庫邏輯結構 -
During design, goods imported and exported, queried data management come true with a management system database model and proper accessing technology, via concept design, logical structure design and physical structure design
設計過程中，通過概念設計、邏輯結構設計和物理結構設計，建立了管理系統數據庫的數據模型，選擇合適的數據庫訪問技術，完成系統出庫管理、入庫管理、查詢以及貨位管理等功能設計。 -
The conceptual structure and logical structure of the airline and the airport database were also built
對于空中交通管理系統中的航空公司數據庫和機場數據庫建立了概念結構和邏輯結構。 -
The article presents a unique log structure based on logical view of database
本文的創新之處在於提出了基於數據邏輯視圖的統一日誌格式。 -
About the marketing information management system ' s design and implement, firstly, the paper analyses the presently situation, existed problems, being changed aspects of local province ' s electric power corporations. as for the macro - design of the system, the paper then applies data stream method to put forward the function, database and logical structure design of system, emphasizes software and hardware reality of the global system, at last, does particular design for every sub - system to realize the system function
在營銷管理信息系統的設計和實現過程中，首先分析了目前電力企業營銷狀況，存在的問題和需要改進的方向；然後，對系統進行總體的分析和沒計，採用數據流分析法，提出系統的功能設計，繪制營銷管理系統的功能結構圖表，並詳述各功能模塊的作用；在功能結構提出的基礎上，又進行了系統數據庫設計和邏輯結構設計，並提出整個系統實現的軟硬體條件；總體設計完畢后，又對各子系統進行具體設計；最後實現系統功能。 -
The dissertation focuses on the logical structure, realization technology and corba standard of multi - layer distributed database application system, and also focuses on the realization method of corba - based multi - layer database application system. the theory and realization method of some core technology in the multi - layer database application system have been discussed in this dissertation including load - balancing technology, fault - tolerance technology and session pooling technology etc. corba visibroker provides a kind of random load - balancing algorithm
本文深入研究了多層分散式數據庫應用系統的邏輯結構、實現技術、 corba規范以及基於corba的多層分散式系統的實現方法；論述了在多層分散式數據庫應用系統中的一些核心技術的原理和實現方法，包括：負載平衡技術、容錯技術、 sessionpooling技術等。 -
In the distributed database global data is only a visual logical structure. the data in fact are stored in every note of the net which made the part operations requested by the remote users need n ' t through the center of the net. thus, the speed of visiting is greatly increased
在分散式數據庫中，全局數據僅是一個虛擬的邏輯結構，實際數據存放于計算機網路的各個節點，使遠程用戶的局部操作不用通過通信網路向中心節點請求，從而大幅度提高數據訪問速度。 -
It especially made the independence between data accessing structure and data logical structure possible in the database design process
特別是在數據庫設計過程中，實現使數據存儲結構與數據邏輯結構的變化獨立開來。 -
In this thesis, the database of gps vehicle monitor information management system is designed, the design of the man - machine conversation interface and the software of the database server, also the software of the mid - ware are accomplished. an improved and logical three layer structure framework is used to utilize the resource of the system efficiently, balance the load, and improve the expansibility of the system ; powerful oracle database is used as background database to provide high performance service to the system which has numerous users and large - scale ; encrpytion arithmetic of communication data is designed to ensure the safty of gps vehicle monitor information management system communication ; the usage of fire wall, system privilege management and data backup improved the safty of the information management system database ; high usability design is realized by oracle data guard ; optimization of the information management system made the whole gps vehicle monitor system persistent, stable and high quality
本文針對原有gps車輛監控系統響應速度慢、穩定性和安全性不高的不足，提出了一種以改進的三層結構體系為系統架構，以oracle數據庫為后臺的gps車輛監控信息管理系統設計方案，設計了gps車輛監控信息管理系統數據庫，完成了gps車輛監控信息管理系統人機界面、中間件及數據庫端的軟體設計。系統架構採用改進的三層結構體系，其邏輯結構清晰，有利於系統資源的有效利用，均衡負載，提高系統的可擴展性;后臺數據庫採用功能強大的oracle數據庫，可以提供大規模、多用戶的高性能服務;通信數據的加密演算法有利於確保gps車輛監控信息管理系統的通信安全;防火墻的使用、系統權限管理以及數據的備份和恢復等有利於提高gps車輛監控信息管理系統數據庫的安全性， oracledataguard的使用有利於提高系統的可用性;系統的優化，為系統持續、穩定、高質量運行創造了有利條件。 -
The thesis also analyzes how to optimize the performance of the whole distance education supporting platform based on sql server7. 0 database, and emphasizes on the four aspects of logical database design, index usability, query structure and procedure objects. it also discusses the extension of system functions from the point of view of database design in order to realize the distance education quality appraisal and tracking in the future
對基於sqlserver7 . 0數據庫的整個遠程教育支撐平臺系統的性能優化進行分析，著重從邏輯數據庫設計、索引的可用性、查詢結構和過程對象的使用四個方面進行論述，並從數據庫設計角度討論了對系統進行功能擴展，以實現未來對遠程教育質量評價和教學質量跟蹤。 -
In the second part of this article, with analysis of the system engineering, software requirement and acceptability for the management information system, author has finished definition structure design, logical structure design and physical structure design of the database with asa6. 0 of sybase company, and got the corresponding definition structure and logical structure models. in the environment of pb7. 0, designed the relation of models, detail of every model and coding them, completed the interface of this system and the function of every model
本文第二部分通過對邊坡信息管理系統的系統分析、需求分析和可行性研究，在sybase公司的asa6 . 0數據庫環境下，對邊坡信息數據庫進行了詳細的概念結構設計、邏輯結構設計和物理結構設計，得出了相應的概念結構和邏輯結構模型；在pb7 . 0的編程環境下，對系統做了相關的總體設計和各模塊的詳細設計和編碼工作，完成了整個系統的用戶界面和各模塊功能的實現。 -
Following the basic principles of database design and guided by software engineering, remote optimization es of plastic die material to meet the needs of enterprises was designed after the research of conceptual and logical structure of data, in which asp is employed to develop active website and dbms based on sql server was designed
作者遵循數據庫設計的基本原則，以軟體工程為指導，經過對數據的概念結構、邏輯結構的分析研究，以asp技術開發動態網站，採用sqlserver2000為基礎的dbms ，設計完成了符合企業運行特點的塑料模具材料遠程選擇優化專家系統。 -
Database is one of the most important components in the sdts system. considering the characteristics of the seafarer, the dissertation thoroughly research on the demand analyzes, the concept model design and the logical structure design. in addition, the access technology was introduced to fulfill the task of database development
數據庫是系統的重要組成部分之一，論文結合船員自身的特點，對系統數據庫的需求分析、概念模型設計和邏輯結構設計進行了深入的研究，並利用microsoftaccess數據庫開發工具完成了系統數據庫的開發工作。 -
How a user views data should not change when the logical structure ( tables structure ) of the database changes
當數據庫的邏輯結構（表結構）發生變化的時候，用戶的視圖數據不應該變化。
分享友人