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Local-as-View Data Integration

2. Administrivia. Next week:Please read Section 3, 6, 7 in the Deshpande et al. surveyMidterm assignment will be handed out Thursday, with a one week clock. Recall: Kinds of Schema Mappings. Global As View (GAV):?x M(x) ? ?y1y2 R1(x1y1) ? R2(x2y2) ? c(x1y1x2y2) where x ? x1x2

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Local-as-View Data Integration

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