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PowerPoint Presentation miniworld Requirements & collection analysis Conceptual Design Data Model Mapping Database Requirements Conceptual Schema ( ER diagram ) DBMS…

Schema Refinement and Normal Forms. The Evils of Redundancy v Redundancy is at the root of several problems associated with relational schemas: – redundant.
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Slide 1 Schema Refinement and Normal Forms Slide 2 The Evils of Redundancy v Redundancy is at the root of several problems associated with relational schemas: – redundant…

1 Schema Refinement and Normal Forms Yanlei Diao UMass Amherst April 10, 2007 Slides Courtesy of R. Ramakrishnan and J. Gehrke.
Documents 1 Schema Refinement and Normal Forms Yanlei Diao UMass Amherst April 10, 2007 Slides Courtesy of R.....

Slide 1 1 Schema Refinement and Normal Forms Yanlei Diao UMass Amherst April 10, 2007 Slides Courtesy of R. Ramakrishnan and J. Gehrke Slide 2 2 The Evils of Redundancy …

Database Management Systems, R. Ramakrishnan and J. Gehrke 1 Schema Refinement and Normal Forms Chapter 19 Instructor: Mirsad Hadzikadic.
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Slide 1 Database Management Systems, R. Ramakrishnan and J. Gehrke 1 Schema Refinement and Normal Forms Chapter 19 Instructor: Mirsad Hadzikadic Slide 2 Database Management…

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PowerPoint Presentation Review ‹#› ‹#› Exam Su 3:30PM - 6:30PM 2010/12/12 Room C9000 ‹#› ‹#› Algebra ‹#› ‹#› Relational Algebra Operations Basic operations…

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PowerPoint Presentation Review ‹#› ‹#› Exam Su 3:30PM - 6:30PM 2010/12/12 Room C9000 ‹#› ‹#› Algebra ‹#› ‹#› Relational Algebra Operations Basic operations…

LECTURE 5: Schema Refinement and Normal Forms
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LECTURE 5: Schema Refinement and Normal Forms SOME OF THESE SLIDES ARE BASED ON YOUR TEXT BOOK Anomalies Insertion anomalies Cannot record filmType without starName Deletion…

Normal Forms1. 2 The Problems of Redundancy Redundancy is at the root of several problems associated with relational schemas: Wastes storage Causes problems.
Documents Normal Forms1. 2 The Problems of Redundancy Redundancy is at the root of several problems associated...

Normal Forms The Problems of Redundancy Redundancy is at the root of several problems associated with relational schemas: Wastes storage Causes problems with insert/delete/update…

Schema Refinement and Normal Forms Chapter 19 1 Database Management Systems 3ed, R.Ramakrishnan & J.Gehrke.
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Schema Refinement and Normal Forms Schema Refinement and Normal Forms Chapter 19 1 Database Management Systems 3ed, R.Ramakrishnan & J.Gehrke 1 The slides for this text…

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PowerPoint Presentation miniworld Requirements & collection analysis Conceptual Design Data Model Mapping Database Requirements Conceptual Schema ( ER diagram ) DBMS…

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