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- A conceptual data model simplifies the design process because it hides a lot of details. 概念數據模型可以簡(jiǎn)化設計過(guò)程,因為它將大量細節隱藏起來(lái)。
- All you need to do is to generate the physical data model that corresponds to your conceptual data model. 唯一還需要做的事情就是生成與概念數據模型相對應的物理數據模型。
- In a conceptual data model, you can usually denote all of this structure with a single connection. 在概念數據模型中,通?？梢杂靡粋€(gè)連接來(lái)標識這類(lèi)結構。
- Design of Conceptual Data Model for Database of Radar Electronic Warfare Equipment Simulation 雷達電子戰設備仿真數據庫概念模型設計
- Design of ER conceptual data model for database of radar active jamming equipment 雷達有源干擾設備數據庫ER概念模型建模
- Research on Conceptual Data Model and Data Element of Health Information Standand 衛生信息概念數據模型與數據元標準研究
- synoptically introduces the object-oriented approach and UML;creates the CDM(Conceptual Data Model) and the PDM(Physical Data Model) based on ORACLE9i with PowerDesigner; 運用PowerDesigner建立了數據的概念模型和以Oracle9i為數據庫系統平臺的物理數據模型；
- conceptual data model 概念數據模型
- Class is based on the XPath data model. 類(lèi)基于XPath數據模型。
- A data model is a plan for building a database. 一個(gè)資料模型就是對建立一個(gè)資料庫的規劃。
- And this data model is described in XML DTD. 本文用統一建模語(yǔ)言描述了整個(gè)數據模型,給出了數據模型中幾種重要類(lèi)的文檔類(lèi)型定義。
- Its data model is the basis of DW of an ISC. 三是集成供應鏈節點(diǎn)企業(yè)數據庫，并形成為集成供應鏈信息平臺數據倉庫提供基礎數據的企業(yè)數據模型。
- Creates a new property for the built-in data model. 為內部數據模型創(chuàng )建一個(gè)新的屬性.
- The Entity Framework supports an Entity Data Model for defining data at both the relational and conceptual level and a mapping between the two. 實(shí)體框架提供了稱(chēng)為實(shí)體數據模型的模型，該模型能在關(guān)系以及概念層上定義數據，并且在兩者之間定義映射。
- In data modeling and analysis, finite mixture is widely used. 摘要在數據建模和分析中，有限混合體模型被廣泛地使用著(zhù)。
- The Order could be the root of another hierarchy in the data model. 訂單可能是數據模型中的其他層次的根。
- The Catabase data model structure is shown in Figure 4. 如圖4所示是該Catabase數據模型的結構。
- This SQL script will create the data model used in our example. 這個(gè)SQL腳本可以創(chuàng )建我們示例中使用的數據模型。
- Integration takes place in the user interface and the data model. 集成發(fā)生在用戶(hù)界面和數據模型中。
- This logical data model is called a data source view. 此邏輯數據模型稱(chēng)為數據源視圖。
