And a bit further down the rabbit hole if you need. structure of heap table in postgresql with pictures. https://medium.com/quadcode-life/structure-of-heap-tabl

And a bit further down the rabbit hole if you need. structure of heap table in postgresql with pictures. https://medium.com/quadcode-life/structure-of-heap-table-in-postgresql-d44c94332052 https://medium.com/quadcode-life/structure-of-heap-table-in-...