摘要： SELECT KS_Date, KS_MetalName, KS_TopLimit, KS_BottomLimit, KS_Average, KS_ChangeFROM KS_U_SpotPriceWHERE (KS_Date BETWEEN CONVERT(datetime, '2011-12-14') AND CONVERT(datetime, '2011-12-20'))等效于下面的查询代码：SELECT KS_Date, KS_MetalName, KS_TopLimit, KS_BottomLimit, KS_Average, KS_Chang... 阅读全文