By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
| date | Canada | France | Italy | UK |
|---|---|---|---|---|
| 2020-01 | null | France | Italy | UK |
| 2020-02 | Canada | null | Italy | null |
| 2020-08 | null | France | null | null |
| date | Canada | France | Italy | UK |
|---|---|---|---|---|
| 2020-01 | null | France | Italy | UK |
| 2020-02 | Canada | null | Italy | null |
| 2020-08 | null | France | null | null |