R ELATIONAL M ODEL TO SQL Data Model. 22 C ONCEPTUAL D ESIGN : ER TO R ELATIONAL TO SQL How to represent Entity sets, Relationship sets, Attributes, Key.
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.
ACTIVE Project - Summer School - Aachen, October 2010
Vonexus VoIP presentation
Fyns Kran Udstyr A/S - Presentation
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 The Entity-Relationship Model. 2 Overview of Database Design Conceptual design: (ER Model is used at this stage.) –What are the entities and relationships.
Book Chapter 3 (part 2 ) From ER to Relational Model.
Levels of Abstraction in DBMS data * Schemas are defined using DDL; data is modified/queried using DML. – Views describe how users see data (possibly.
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,
Oracle Application Server 10 g Standard Edition One