By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
| ID | A | CNT_A | B | CNT_B | C | CNT_C |
|---|---|---|---|---|---|---|
| 1 | A1 | 4 | B1 | 3 | C1 | 2 |
| 2 | A1 | 4 | B2 | 2 | C1 | 2 |
| 3 | A1 | 4 | B1 | 3 | C2 | 3 |
| 4 | A2 | 1 | B1 | 3 | C2 | 3 |
| 5 | A1 | 4 | B2 | 2 | C2 | 3 |
| ID | A | CNT_A | B | CNT_B | C | CNT_C |
|---|---|---|---|---|---|---|
| 1 | A1 | 4 | B1 | 3 | C1 | 2 |
| 2 | A1 | 4 | B2 | 2 | C1 | 2 |
| 3 | A1 | 4 | B1 | 3 | C2 | 3 |
| 4 | A2 | 1 | B1 | 3 | C2 | 3 |
| 5 | A1 | 4 | B2 | 2 | C2 | 3 |