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The top documents tagged [original relation]

Chapter 12. The nation was growing in geographical extent and in size and diversity of the population. The economy was becoming more diverse and more
Chapter 12. The nation was growing in geographical extent and in size and diversity of the population. The economy was becoming more diverse and more
216 views
1 Loss-Less Joins. 2 Decompositions uDependency-preservation property: enforce constraints on original relation by enforcing some constraints on resulting
1 Loss-Less Joins. 2 Decompositions uDependency-preservation property: enforce constraints on original relation by enforcing some constraints on resulting
214 views
Library GI School. What is a summary? A summary is the presentation of a general idea in brief form about a text, a book or an article. The most important
Library GI School. What is a summary? A summary is the presentation of a general idea in brief form about a text, a book or an article. The most important
214 views
Midterm Review II. Redundancy. –Information may be repeated unnecessarily in several tuples. –E.g. length and filmType. Update anomalies. –We may change
Midterm Review II. Redundancy. –Information may be repeated unnecessarily in several tuples. –E.g. length and filmType. Update anomalies. –We may change
217 views
Database Normalization and Denormalization Trisha Cummings
Database Normalization and Denormalization Trisha Cummings
222 views
T RANSCENDENTALISM Radical Romantics. R OOTS OF T RANSCENDENTALISM Romanticism New attitude toward nature, humanity, and society that emphasizes individualism
T RANSCENDENTALISM Radical Romantics. R OOTS OF T RANSCENDENTALISM Romanticism New attitude toward nature, humanity, and society that emphasizes individualism
218 views
1 Normalization Anomalies Boyce-Codd Normal Form 3 rd Normal Form Source: Slides by Jeffrey Ullman
1 Normalization Anomalies Boyce-Codd Normal Form 3 rd Normal Form Source: Slides by Jeffrey Ullman
239 views
Database Management Systems, R. Ramakrishnan and J. Gehrke1 Schema Refinement and Normal Forms Chapter 19
Database Management Systems, R. Ramakrishnan and J. Gehrke1 Schema Refinement and Normal Forms Chapter 19
233 views
1 Design Theory. 2 Overview Starting Point: Set of functional dependencies that describe real-world constraints Goal: Create tables that do not contain
1 Design Theory. 2 Overview Starting Point: Set of functional dependencies that describe real-world constraints Goal: Create tables that do not contain
214 views
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
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
220 views
9/21/2000SIMS 257 – Database Management Database Design: From Conceptual Design to Physical Implementation University of California, Berkeley School of
9/21/2000SIMS 257 – Database Management Database Design: From Conceptual Design to Physical Implementation University of California, Berkeley School of
214 views
1 Functional Dependency and Normalization Informal design guidelines for relation schemas. Functional dependencies. Normal forms. Normalization
1 Functional Dependency and Normalization Informal design guidelines for relation schemas. Functional dependencies. Normal forms. Normalization
243 views