数据存储在数据库中取比较快仍是数据文件例如xml中取比较快

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Release: 2016-06-13 12:13:31
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数据存储在数据库中取比较快还是数据文件例如xml中取比较快
我做省市区联动,数据不变,是放在数据库中取值比较快还是放在类似于xml的数据文件中取值比较快?麻烦各位高手帮解答一下
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这种数据不变 用php配置即可

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内存型的数据库里很快的,数据不变的话,直接用静态的json数据,不用解析了。
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做成独立 js 文件是最快的(可利用浏览器缓存)
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那么你认为传输一个现成的 js 文件 和 生成一个 js 文件相同的数据并传输,那个会更快一点呢?

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