Duplicate entry ‘XXX‘ for key ‘PRIMARY‘ - Code World

Duplicate entry ‘XXX‘ for key ‘PRIMARY‘

Enterprise 2023-07-11 22:48:11 views: null

Duplicate entry ‘XXX’ for key ‘PRIMARY’

The most common situation is that when inserting data,
the data is repeated.
The unique value or primary key *** "XXX" *** cannot be repeated repeatedly,
so the data cannot be inserted.

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Origin blog.csdn.net/qq_42089323/article/details/119460434

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