290 likes | 447 Views
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
E N D