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PPT-6.830 Lecture 3 Relational Algebra and Normalization PowerPoint Presentation

6830 Lecture 3 Relational Algebra and Normalization 9132017 Relational Algebra Projection πR c1 cn π c1c2n R select a subset c1 cn of columns of R Selection

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6.830 Lecture 3 Relational Algebra and Normalization: Transcript

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