🗊Презентация Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14)

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Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №1Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №2Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №3Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №4Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №5Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №6Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №7Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №8Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №9Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №10Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №11Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №12Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №13Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №14Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №15Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №16Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №17Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №18Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №19Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №20Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №21Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №22Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №23Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №24
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Слайды и текст этой презентации

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Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №1
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Phases of Database Design
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Phases of Database Design

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Phases of Database Design
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Phases of Database Design

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Levels of Goodness of Design
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Levels of Goodness of Design

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Informal Design Guidelines
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Informal Design Guidelines

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Imparting Clear Semantics to Attributes in Relations
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Imparting Clear Semantics to Attributes in Relations

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Example
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Example

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Guideline 1
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Guideline 1

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Examples of Violating Guideline 1
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Examples of Violating Guideline 1

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One more example
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One more example

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Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №11
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Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №12
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Analysis and Design of Data Systems. Introduction to Relational Database Design (Lecture 14), слайд №13
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Redundant Information in Tuples and Update Anomalies
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Redundant Information in Tuples and Update Anomalies

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Anomalies
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Anomalies

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Guideline 2
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Guideline 2

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NULL Values in Tuples
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NULL Values in Tuples

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Functional Dependency
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Functional Dependency

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Example
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Example

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Functional Dependency (meaning)
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Functional Dependency (meaning)

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FD is a property of a Relation
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FD is a property of a Relation

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FD is a property of a Relation
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FD is a property of a Relation

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Other Properties of FDs
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Other Properties of FDs

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Normal Forms based of PK’s
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Normal Forms based of PK’s

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