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 ...

When historians look back at the PC industry in 2025, they’ll probably remember a time of intense turmoil. Between wildly ...

Henry Gantt's management theory balances completed work with pending tasks using visual charts, task bonuses and workforce motivation for productivity.

NHL betting sites have grown rapidly in popularity across the U.S. and Canada, fueled by a passionate fan base and the sport’s fast-paced, high-scoring action. Bettors now have access to a wide ...