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 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…
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…
E-R Model to Relational Model E-R Model to Relational Model E-R Model to Relational Model Entity Sets to Tables Main Idea Each entity set maps to a new table Each attribute…