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in Technique[技术] by (71.8m points)

mongo中用嵌套结构优势是什么

{
    author{
        id,
        name,
    }
}

{
    author_id,
    author_name,
}

有何优势


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by (71.8m points)

文档型结构,更加贴近我们对物体属性的描述;通过一条记录就可以描述出一个对象的所有属性,这就是一个优势!


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