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the following schema ( the data type of each attribute is given following the attribute names and the primary keys are underlined ) Suppliers (
the following schema the data type of each attribute is given following the attribute names and the primary keys are underlined Suppliers integer snamestringaddressstring Parts pid: integer, pnamestringcolorstring Catalog sid: integer, pid: integer, cost: real The relation lists the prices charged for parts by SuppliersWrite the following queries in SQL: Find the sids of suppliers who charge more for some part than the average cost of that part averaged over all the suppliers who supply that part
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