By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
| ID | Exists |
|---|---|
| 1 | yes |
| 2 | yes |
| 3 | yes |
| 4 | yes |
| 5 | no |
| Exists in C1 | Exists in C2 | Exists in C3 | Exists in C4 |
|---|---|---|---|
| yes | yes | yes | no |
| ID | Exists |
|---|---|
| 1 | yes |
| 2 | yes |
| 3 | yes |
| 4 | yes |
| 5 | no |
| Exists in C1 | Exists in C2 | Exists in C3 | Exists in C4 |
|---|---|---|---|
| yes | yes | yes | no |