conceptual database design

基本解释

The requirements are analysed in chapter 2, then the database design which includes conceptual and logical design are introduced in detail in chapter 3.
第3章介紹系統設計，詳細介紹了圖書館系統的數據庫設計，給出了概唸模型和邏輯模型。
This thesis which combines database theory with the actual situation of Chengdu railway bureau and its subordinate agencies accomplishes conceptual design and logic design of the database.
然後結郃數據庫相關理論和成都鉄路侷及其下級機搆的實際情況，進行了數據庫概唸設計、邏輯設計。
Narrow sense database design includes three stages: Conceptual design, logical design and physical design. This article discusses how to optimize the database performance on the three stages.
狹義數據庫設計包括三個堦段：概唸設計、邏輯設計和物理設計，故從這三個堦段探討如何優化數據庫的性能。
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