In-Class Exercise (Part III): create an ERD Source: Hoffer, Ramesh, Topi, "Modern database management," 10thed, 2010.!
Source: Fig. 2-21, Hoffer, Ramesh, Topi, "Modern database management," 10thed, 2010. Recall: Entities can be related to one another in more than one way
Source: Hoffer, Ramesh, Topi, "Modern database management," 10thed, 2010. Example: Certificate Associative Entity (1/3) • Associative entity can be represented as rectangle with …
ERDPlus
Free ERD modeling tool for creating Entity-Relationship Diagrams and relational/star schemas, aiding in visualizing and designing databases.
Jeffrey A. Hoffer, Venkataraman Ramesh, Heikki Topi
Draw an ERD for this situation, and place minimum and maximum cardinalities on the diagram. Also, draw a data model for this situation using the tool you have been told to use in your …
数据库实体关系图（ERD）及其画法 - CSDN博客
2020年10月10日 · 实体关系图，又称erd、er图或er模型，是一种用于数据库设计的结构图。erd包含不同的符号和连接器，它们可视化两个重要的信息:系统范围内的主要实体，以及这些实体 …
ER Diagram Tool | Free Online App - SmartDraw
Create ER diagrams, aka entity relationship diagrams, and other database schema diagrams online using our ERD diagram tool.
HW Week2 Solution ch02 - Chapter 2 (Hoffer, Ramesh, & Topi…
Chapter 2 (Hoffer, Ramesh, & Topi) o Problems and Exercises 1 (a, b,c,d,e,f), 2,4,5,6,11 (a,b,c,) Answers to Problems and Exercises. Each answer refers to Figure 2-22 found in the …
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免費ERD產生工具：AI生成資料庫關聯圖
MyMap.AI提供獨特的AI驅動方案，透過自然語言對話生成ERD圖表。 不同於傳統工具需要手動繪製圖表，MyMap.AI能根據您的描述或資料庫結構輸入自動創建專業ERD圖表，節省大量時間 …
Hierarchical entity-relationship diagrams: the model, method …
2004年10月5日 · A bottom-up method for creating a hierarchy of entity-relationship diagrams (HERD) from a given, “flat” ER diagram (ERD) is proposed. The hierarchy consists of simple …
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