R10-115 spj-查询供应工程 j1 的红色零件的供应商 (3 分) select sno from spj,p where spj.pno=p.pno and jno='j1' and color='红' R10-116 4-1 查询速度至少为160MHz的PC的制造商 (3 分) select distinct maker from product,pc where product.model=pc.model and speed>=160 R10-117 B1-3...