4NF and Multivalued Dependency by Kristina Miguel
Lossless Decomposition Anannya Sengupta
Lossless Decomposition Anannya Sengupta CS 157A Prof. Sin-Min Lee.
Midterm Review II. Redundancy. –Information may be repeated unnecessarily in several tuples. –E.g. length and filmType. Update anomalies. –We may change.
Relational Design. DatabaseDesign Process Conceptual Modeling -- ER diagrams ER schema transformed to relational schema Designer may add additional integrity.
Database Management Systems, R. Ramakrishnan and J. Gehrke1 Schema Refinement and Normal Forms Chapter 19.
1 Normalization Chapter 19. 2 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.
Lossless Decomposition By Chi-Shu Ho For CS157A Prof. Sin-Min Lee.
CSE 4701 Chapter 14-1 Slides on Normalization. CSE 4701 Chapter 14-2 Towards Normalization of Relations n We take each Relation Individually and “Improve”
Database Management Systems Chapter 3 The Relational Data Model (III) Instructor: Li Ma Department of Computer Science Texas Southern University, Houston.
Relational Design