摘要：公式生成日期维度表 阅读全文

摘要：The New and Returning Customers pattern dynamically calculates the number of customers with certain behaviors based on their purchase history. This calculation can be computing-intensive and, thus, a ... 阅读全文

摘要：计算第一次购买时间 CALCULATE(FIRSTDATE(FactInternetSales[OrderDate]),ALLEXCEPT(FactInternetSales,FactInternetSales[CustomerKey])) 添加一个计算列，如果是第一次购买则为New，反之为Old 阅读全文