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Chapter 2 Supplemental Slides Relational Division Demonstration.

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Presentation on theme: "Chapter 2 Supplemental Slides Relational Division Demonstration."— Presentation transcript:

1 Chapter 2 Supplemental Slides Relational Division Demonstration

2 Relational Division Animation SuppPart SuppNoPartNo S2P3 S3P1 S1P1 S2P1 S1P3 S2P2 Part PartNo P1 P2 P3

3 Relational Division Animation SuppPart SuppNoPartNo S1P1 S1P3 S2P1 S2P2 S2P3 S3P1 Part PartNo P1 P2 P3 Sort SuppPart by SuppNo

4 Relational Division Animation SuppPart SuppNoPartNo S1P1 S1P3 S2P1 S2P2 S2P3 S3P1 Part PartNo P1 P2 P3 SuppPart DIVIDEBY Part SuppNo S1 {P1, P3} does not contain {P1, P2, P3}.

5 Relational Division Animation SuppPart SuppNoPartNo S1P1 S1P3 S2P1 S2P2 S2P3 S3P1 Part PartNo P1 P2 P3 S2 SuppNo SuppPart DIVIDEBY Part S2 {P1, P2, P3} contains {P1, P2, P3}.

6 Relational Division Animation SuppPart SuppNoPartNo S1P1 S1P3 S2P1 S2P2 S2P3 S3P1 Part PartNo P1 P2 P3 S2 SuppNo SuppPart DIVIDEBY Part S3 {P1} does not contain {P1, P2, P3}.


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