By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
8 rows affected
| usr | (No column name) | (No column name) |
|---|---|---|
| A | 2018-12-05 | 45 |
| B | 2018-12-05 | 30 |
| A | 2018-12-06 | null |
| B | 2018-12-06 | 60 |
Warning: Null value is eliminated by an aggregate or other SET operation.