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有MySQL为什么还要有MongoDB? MongoDB是什么?架构是怎么样的?
你是一个程序员, 老板要你做个游戏平台,支撑十多亿游戏用户数据的写入和存储。 游戏用户包含多种字段,比如id, 装备、是否参与过节日活动等,功能不断迭代,需要支持扩展各种属性字段以及多维度查询。比如没参加过情人节活动的剑士有哪些? 那么问题 ...
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