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小弟我想实现统计会员每个月消费的情况，不知道数据库如何设计

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Release： 2016-06-13 11:18:56
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我想实现统计会员每个月消费的情况，不知道数据库怎么设计。

本帖最后由 qq369389714 于 2013-01-13 20:58:43 编辑 我这个会员系统是推荐制的，比如我的会员ID是1 我下面有很多我推荐的会员，他们的PID 是1
我想统计出他们当月的消费总额。会员有消费的，也有不消费的， 但是数据库不知道怎么去设计。 请大家帮帮忙
数据库
------解决方案--------------------
哦，再加个时间的字段在后面比较好
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