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The top documents tagged [nontrivial fd]
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nontrivial fd
Dr. A.I. Cristea acristea/ CS 319: Theory of Databases.
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1 Database Design Issues, Part II Hugh Darwen
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hugh CS252.HACD: Fundamentals of Relational Databases Section.
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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.
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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.
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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.
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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.
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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.
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Schedule
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Normal Forms and XML
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