之前在给北京一家药企培训时，有伙伴问如何计算不重复的个数。这是一个有代表性的问题，我整理出来以下四种方法，分别是函数法、透视表法、Power Query法和Power Pivot法，看你能不能用得上？ 案例数据 这是公司的部分销售订单表，主要涉及省份 ...

Managing change during a major technology implementation requires a clear vision, strong communication, thoughtful process ...

Swire Shipping Fijian Drua head coach Glen Jackson has assured fans that promising development player Jone Naqiri remains ...