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关注：1
2013-05-23 12:21
求翻译：I always choose meaningless keys as identity fields. Such fields are often called surrogate key. Important: "The surrogate key is not derived from application data.是什么意思？ 待解决
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I always choose meaningless keys as identity fields. Such fields are often called surrogate key. Important: "The surrogate key is not derived from application data.
问题补充： |
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