By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
Records: 5 Duplicates: 0 Warnings: 0
| campaign | event_date |
|---|---|
| C001 | 2019-06-12 |
| C001 | 2019-08-13 |
Records: 5 Duplicates: 0 Warnings: 0
| campaign | event_date |
|---|---|
| C001 | 2019-06-12 |
| C001 | 2019-08-13 |