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    Answers and rating deltas for
    MySQL creates new rows instead of updating when using the INSERT INTO SELECT ... ON DUPLICATE KEY UP
| Author | Votes | Δ | 
|---|---|---|
| Andomar | 1 | +1.58 | 
| Jay Shankar Gupta | 0 | -1.58 | 
Last visited: Jun 23, 2018, 3:29:56 PM