数据库计算销售金额的公式
网站编辑2023-06-24 09:49:36315
$totalsales = sum(psales - ppresentations) / psales $totalsales = $psales - $ppresentations $totalsales = $totalsales $totalsales = $total_sales

其中,$psales$为实际销售金额,$ppresentations$为相关表格的名称或范围,如"products"、"prodcts"等。$total_sales$为总销售金额。







