MongoDB 修改数据Cannot change the size of a document in a capped collection: * != *"
2019-11-01 16:03
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MongoDB修改数据库数据的时候报错
原因：
集合被设置成了 固定集合 。固定集合的数据不能被修改。只能查找-删除-再插入，也就是创建集合的时候设置了capped参数为true
解决：
创建集合的时候capped为false或者不写这个参数，默认为false
参考：
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