In my application I've got "articles" (similar to posts/tweets/articles) that are tagged with descriptive predefined tags: i.e "difficult", "easy", "red", "blue", "business" etcIn my application I've got "articles" (similar
阅读背景：
将数组存储为字段值或将数组值存储为记录是不是一个好主意？
来源：互联网
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