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我有以下维度表:close_date 与这些列:close_date、Year、month open_date 与列:open_date、Year、Month 和一个事实表(用于 IT 支持请求),其中包含许多列,例如:ref_num、duration、open_date、close_date、user
我想计算在同一个月内打开和关闭的请求数。MDX 查询将是什么?