Slide 1R ELATIONAL M ODEL TO SQL Data Model Slide 2 22 C ONCEPTUAL D ESIGN : ER TO R ELATIONAL TO SQL How to represent Entity sets, Relationship sets, Attributes, Key and…

Slide 1Logical 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 KEY (ssn))…

Slide 1 1 The Entity-Relationship Model Slide 2 2 Overview of Database Design  Conceptual design: (ER Model is used at this stage.) –What are the entities and relationships…

Slide 1 Book Chapter 3 (part 2 ) From ER to Relational Model Slide 2 2  Relational Data Model  Relational Query Language  Integrity Constraints  ER to Relational…

Slide 1 ER to Relational Mapping Slide 2 Logical DB Design: ER to Relational Entity sets to tables. CREATE TABLE Employees (ssn CHAR (11), name CHAR (20), lot INTEGER, PRIMARY…

The Entity-Relationship Model Entity Sets Entity sets are translated to tables. CREATE TABLE Employees (ssn CHAR(11), name CHAR(20), lot INTEGER, PRIMARY KEY (ssn)); Employees…

ICS 321 Fall 2009 The Relational Model (ii) Asst. Prof. Lipyeow Lim Information and Computer Science Department University of Hawaii at Manoa 9/10/2009 * Lipyeow Lim -- University…

ER ro Relational Model 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,…

The Entity-Relationship Model Entity Sets Entity sets are translated to tables. CREATE TABLE Employees (ssn CHAR(11), name CHAR(20), lot INTEGER, PRIMARY KEY (ssn)); Employees…