1. There are two levels at which we discuss the goodness of relation schema •Logical (or Conceptual)Level•Implementation (or storage ) Level 2. 4 Informal measures of…
CS 430 Database Theory Winter 2005 Lecture 9: Fourth and Fifth Normal Forms Decompositions Given a relation R = {A1, … , An} (all of the Ai are unique), then a set of relation…
Slide 1 Chapter :- 3 Database Designing What is Database Designing? Each relational schema consist of a number of attributes, and the relational database schema consist of…
Slide 1 Chapter :- 3 Database Designing What is Database Designing? Each relational schema consist of a number of attributes, and the relational database schema consist of…