i.e. "Select population.master, population.branch2, population.commit123.diff from state_populations"
1) `SELECT * FROM state_populations AS OF 'master'` to get the repo as it existed at a particular timestamp / ref name 2) `SELECT * FROM dolt_diff_state_populations WHERE ...` to examine to/from column value pairs between any two commits you choose.
There are a bunch of different supported system tables that provide interesting functionality: https://www.dolthub.com/docs/reference/sql/#dolt-system-tabl...
i.e. "Select population.master, population.branch2, population.commit123.diff from state_populations"