GATE Computer Science Engineering Sample papers Paper-5 1 The order of an internal node in a B+ tree index is the maximum number of children it can have. Suppose that a child…

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…

Slide 1 Multivalued Dependencies By David Wortham Slide 2 Problem Introduction Assume a relation R (from the book): (credit Ullman and Widom) Assume a relation R (from the…

by Abdul Rashid Ahmad E.F. Codd proposed three normal forms: The first, second, and third normal forms 1NF, 2NF and 3NF are based on the functional dependencies among the…

Chapter 6 Normalization Fall 2012 Objectives of Normalization Develop a good description of the data, its relationships and constraints Produce a stable set of relations…

Normalisation Lecture 3 Akhtar Ali * * Learning Objectives To consider the process of Normalisation To consider the definition and application of 1NF To consider the definition…

Chapter 5 Normalization Dr. Chuck Lillie Objectives of Normalization Develop a good description of the data, its relationships and constraints Produce a stable set of relations…

Slide 1 4 TH NORMAL FORM & Lossless Decomposition By: Karen McVay CS 157B Slide 2 REVIEW OF NFs 1NF  All values of the columns are atomic. That is, they contain no…