The problem I’m trying to create random pairs from a column. I have a column of protein accession numbers which looks like this: ┌──────────────┐ │ protein_upkb │ │ varchar │ ├──────────────┤ │ G1XNZ0 │ │ G1XP19 │ │ G1XP66 │ │ G1XP70 │ │ G1XPL1 │ │ G1XPQ7 │ │ G1XQ23 │ │ G1XQ44 │ […]