Slide 1Functional Dependencies- Examples Slide 2 Exercise #1: FD’s From DB Instances Below is an instance of R(A 1,A 2,A 3,A 4 ). Choose the FD which may hold on R 1. A…
Slide 1Souhad M. Daraghma Functional Dependencies- Examples Slide 2 Exercise #1: FD’s From DB Instances Below is an instance of R(A1,A2,A3,A4). Choose the FD which may…
Slide 1 Normal Forms By Christopher Archibald October 16 th 2007 Slide 2 Overview Database Normalization 1 st Normal Form 2 nd Normal Form 3 rd Normal Form Boyce- Codd Normal…
Slide 1Chapter Three ( Relational Data Model) Objectives Introduction to Relational Data Models. Advantages of Relational Data Models. Restriction of Relational Data Model.…
Slide 1 Slide 2 Normalization We discuss four normal forms: first, second, third, and Boyce- Codd, fourth normal forms 1NF, 2NF, 3NF, BCNF and 4NF. Normalization is a process…
Slide 1 Indira Gandhi National Open University presents Slide 2 A Video Lecture Course: Systems Analysis Slide 3 DATA MODELING Slide 4 MODEL A Model is an abstraction of…