Advance DBMS Lecture7-1 Relational Algebra

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Lecture #7-1 Basic RDB Concept I: Relational Algebra CPSC 608: Distributed Database System February 15, 2000 Hoh In Texas A&M University

Transcript of Advance DBMS Lecture7-1 Relational Algebra

Page 1: Advance DBMS Lecture7-1 Relational Algebra

Lecture #7-1Basic RDB Concept I:

Relational Algebra

CPSC 608: Distributed Database SystemFebruary 15, 2000

Hoh InTexas A&M University

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Relational Algebra

• Selection• Projection• Cartesian Product• Join• Division

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3

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Result of SELECTION

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Result of PROJECTION

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Cartesian Product

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Natural Join

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Semijoin

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Div

isio

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