By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
| version |
|---|
| PostgreSQL 16.0 (Debian 16.0-1.pgdg120+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 12.2.0-14) 12.2.0, 64-bit |
SELECT 1
| v |
|---|
| 100 10 10 100 |
| A B B A |
| HELLO HELLO |
| 1 1 2 2 |
SELECT 4