The top documents tagged [nontrivial fd]

Dr. A.I. Cristea acristea/ CS 319: Theory of Databases
Documents Dr. A.I. Cristea acristea/ CS 319: Theory of Databases

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1 Database Design Issues, Part II Hugh Darwen hugh@dcs.warwick.ac.uk hugh CS252.HACD: Fundamentals of Relational Databases Section
Documents 1 Database Design Issues, Part II Hugh Darwen [email protected] hugh CS252.HACD: Fundamentals of Relational Databases Section

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4NF and 5NF Prof. Sin-Min Lee Department of Computer Science
Documents 4NF and 5NF Prof. Sin-Min Lee Department of Computer Science

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Midterm Review II. Redundancy. –Information may be repeated unnecessarily in several tuples. –E.g. length and filmType. Update anomalies. –We may change
Documents Midterm Review II. Redundancy. –Information may be repeated unnecessarily in several tuples. –E.g. length and filmType. Update anomalies. –We may change

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1 Normalization Anomalies Boyce-Codd Normal Form 3 rd Normal Form Source: Slides by Jeffrey Ullman
Documents 1 Normalization Anomalies Boyce-Codd Normal Form 3 rd Normal Form Source: Slides by Jeffrey Ullman

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1 Administrivia HW3 deadline extended: Tuesday 10/7 Revised upcoming schedule: Thurs. 10/2: Querying XML Tues. 10/7: More on XML; beginning of
Documents 1 Administrivia HW3 deadline extended: Tuesday 10/7 Revised upcoming schedule: Thurs. 10/2: Querying XML Tues. 10/7: More on XML; beginning of

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1. 2 3 Decompositions uDo we need to decompose a relation? wSeveral normal forms for relations. If schema in these normal forms certain problems don’t
Documents 1. 2 3 Decompositions uDo we need to decompose a relation? wSeveral normal forms for relations. If schema in these normal forms certain problems don’t

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Database Management Systems Chapter 3 The Relational Data Model (III) Instructor: Li Ma Department of Computer Science Texas Southern University, Houston
Documents Database Management Systems Chapter 3 The Relational Data Model (III) Instructor: Li Ma Department of Computer Science Texas Southern University, Houston

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CS157B - Fall 2004
Documents CS157B - Fall 2004

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Database Normalization. Designing Good Schemas We know how to create schemas, but... how do we create good schemas? what does good mean? Schema quality
Documents Database Normalization. Designing Good Schemas We know how to create schemas, but... how do we create good schemas? what does good mean? Schema quality

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SCUJ. Holliday - coen 1784–1 Schedule Today: u Normal Forms. u Section 3.6. Next u Relational Algebra. Read chapter 5 to page 199 After that u SQL Queries
Documents SCUJ. Holliday - coen 1784–1 Schedule Today: u Normal Forms. u Section 3.6. Next u Relational Algebra. Read chapter 5 to page 199 After that u SQL Queries

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Schedule
Documents Schedule

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