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    Answers and rating deltas for
    SQL statement: how can I pick a value only once from a table to update another table?
| Author | Votes | Δ | 
|---|---|---|
| guigoz | 1 | +3.16 | 
| Madhur Bhaiya | 1 | +0.49 | 
| Zaynul Abadin Tuhin | 0 | -0.59 | 
| Walter Rodriguez | 0 | -2.39 | 
Last visited: Feb 19, 2019, 8:26:47 AM