entity relationship diagram 中文意思是什麼
entity relationship diagram
解釋
實體關系圖 描述現實世界中實體及它們關系的圖形。- entity : n. 1. 實體;統一體。2. 存在(物)。3. (有別于屬性等的)本質。
- relationship : n. 1. 親戚,親戚關系。2. 關系,聯系。3. 〈委婉語〉男女關系〈指男女之間的曖昧關系〉。
- diagram : n. 圖,圖形,圖解;【數學】作圖。 a diagram of an engine 發動機設計圖。vt. (-gram(m)ed; -gram(m)ing) 用圖表示,圖解。
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Chapter five describes the implementation of fuda management system. the dfd ( date flow diagram ) and e - r ( entity - relationship ) diagram of the three key parts of the system ( production, sales and stock ) are presented hi detail
第五章是富達管理系統實現,包括銷售管理、庫存管理和生產管理三個部分,重點說明第三、第四章中討論的生產計劃和調度部分的系統實現。 -
With the widely applied of web technology in catering, the information management system of restaurant based on internet is developing fast 。 based on the local area network, this subject researches and completes the foregrounding of restaurant achieved on the electronic business platform by using java and network database technologies 。 by combining all of these, this paper researches the foregrounding of restaurant, and brings forward the scheme of completing system based on b / s mode 。 all research and work including the process of development of enterprise information nowadays ; the research on net application of java ; the design of developing platform ; the research and design of system frame and function ; the research and realization of the database design ; the design and realization of the room information 、 client information 、 sell information and the adding menu of the management system of manager 。 among these i mainly research the following key technologies : the design of data flow diagram and entity - relationship diagram ; the modeling of virtual floor using java applet and java gui ; the linking realization between jsp and sql sever 2000 ; the design of room - query 、 reserving - room and the judgment of reserving again ; the design of coding and ordering fishes list ; the design of checking - out of the system ; the design of the cancel of the order 、 statistics of the consumption and the inputting of data of the manager 。 this system completes the restaurant booking - room 、 ordering - dishes 、 checking - out and helping based on local area network, and completes the information query and adding data of the manager 。 at last, by testing, the system shows that the system is feasible and the good effect expected can be acquired, and it greatly enhances the restaurant information 。
主要研究工作包括:國內外企業信息化的發展歷程; java的網路應用研究;系統的開發平臺設計;系統體系結構和功能模塊的設計;數據庫設計的研究和實現;管理員管理系統的包間信息、客戶信息、銷售信息和菜譜添加的設計與實現。其中重點實現了如下關鍵技術:數據流圖和e - r圖設計; javaapplet和javagui相結合的虛擬樓層建模; jsp網頁與sqlsever2000數據庫的連接實現;訂包間系統的包間查詢、訂包間和重復訂包間判斷設計;點菜系統的編碼設計和點菜單設計;結賬系統的賬單計算;管理員管理系統的訂單取消、消費統計和數據輸入等設計。本課題研製的餐館前臺信息管理系統實現了餐館的局域網前臺訂包間、點菜、結賬和幫助功能;同時實現了管理員管理系統的信息查詢和添加數據等功能。 -
2 after the research for engineering database, combining this system specific engineering database demand, establish the entity - relationship diagram for cutting parameter engineering database and convert the entity - relationship diagram to relation model
2通過對工程數據庫的研究,結合本系統中切削參數工程數據庫要求,建立了切削參數工程數據庫的實體?聯系模型,並將實體?聯系模型轉換為關系模型。 -
Entity relationship diagram er
實體關系圖 -
Entity relationship diagram
實體關系圖 -
For traditional modeling techniques, such as entity relationship diagram or data flow diagram, no specific test techniques are available to date
對于傳統的建模技術,例如實體關系圖或數據流程圖,沒有可用的特定測試技術會過時。
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