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How to use the same ID for three tables and then SegmentFault

WBOY
WBOYOriginal
2016-09-19 09:16:271270browse

How to use the same ID for three tables and then SegmentFault

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How to use the same ID for three tables and then SegmentFault

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I am speechless with this kind of table design, it does not conform to the three paradigms.
Since three tables can share the same ID, why should they be divided into three tables? No need to combine them into one table?

The question is not clearly written. . .

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