Functional Dependencies (Part 3) Presented by Nash Raghavan All page numbers are in reference to Database System Concepts (5th Edition) Agenda Quick Review What is a functional…

BCNF & Lossless Decomposition Prof. Sin-Min Lee Department of Computer Science Normalization Review on Keys superkey: a set of attributes which will uniquely identify…

CSE 480: Database Systems Lecture 18: Normal Forms and Normalization Functional Dependencies A functional dependency (FD) takes the form of X  Y, where X and Y are subsets…

© Pearson Education Limited, 2004 * Normalization Bayu Adhi Tama, M.T.I. Faculty of Computer Science University of Sriwijaya © Pearson Education Limited, 2004 © Pearson…

Lossless Decomposition& 4NF Prof. Sin-Min Lee Department of Computer Science 1. Closure Given a set of functional dependencies, F, its closure, F+ , is all FDs that are…

Lossless Decomposition Elias Aseged SE 157B - DB 2 What is Decomposition? Decomposition – the process of breaking down in parts or elements. Decomposition in database means…

Normalization Chapter 19 What it’s all about Given a relation, R, and a set of functional dependencies, F, on R. Assume that R is not in a desirable form for enforcing…

Slide 1 Lossless Decomposition Elias Aseged SE 157B - DB 2 Slide 2 What is Decomposition? Decomposition – the process of breaking down in parts or elements. Decomposition…