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Unary relationship - PowerPoint PPT Presentation

Chapter 2

Chapter 2. Entity-Relationship Model. Chapter 11 & 12 in Textbook. Database Design. Steps in building a database for an application: 1. Understand real-world domain being captured. 2. Specify it using a database conceptual model (E/R,OO).

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927 views • 75 slides

Mapping from Data Model (ERD) to Relational Model

Mapping from Data Model (ERD) to Relational Model. Yong Choi School of Business CSUB. Objectives of logical design. Transform the conceptual database design into a logical database design that can be implemented on a chosen DBMS later Input: conceptual model (ERD)

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885 views • 39 slides

ER to Relational Translation

ER to Relational Translation. John Ortiz. Recall Database Design. Steps in database design. Requirement Analysis. Conceptual Design (ER/EER). We are here. Logical Design (Relational). Load data. General Rules of Translation. Translate each strong entity type to a relation.

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E-R model for Exercise #1

name. DOB. Coach. Ranking. height. Is assigned. PLAYER. TEAM. name. rating. Is assigned to. Phone #. address. E-R model for Exercise #1. Comments:

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185 views • 3 slides

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Unary relationship - PowerPoint PPT Presentation

Chapter 2

Mapping from Data Model (ERD) to Relational Model

ER to Relational Translation

E-R model for Exercise #1