Logical DB Design: ER to Relational Entity sets to tables. Employees ssn name lot CREATE TABLE Employees (ssn CHAR (11), name CHAR (20), lot INTEGER, PRIMARY.
The Entity-Relationship Model IS698 Min Song. Overview of Database Design Conceptual design: (ER Model is used at this stage.) What are the entities.
1 541: Database Systems S. Muthu Muthukrishnan. 2 Overview of Database Design Conceptual design: (ER Model is used at this stage.) What are the entities.
1 Data Modeling Yanlei Diao UMass Amherst Feb 1, 2007 Slides Courtesy of R. Ramakrishnan and J. Gehrke.
ER to Relational Mapping. Logical DB Design: ER to Relational Entity sets to tables. CREATE TABLE Employees (ssn CHAR (11), name CHAR (20), lot INTEGER,
ER continued, and ER to Relational Mappings R&G Chapters 2, 3 Lecture 22.
