It is quite wordy but the SQL solution for this is "WHERE a IS NOT DISTINCT FROM b". https://modern-sql.com/feature/is-distinct-from https://modern-sql.com/fea

It is quite wordy but the SQL solution for this is "WHERE a IS NOT DISTINCT FROM b". https://modern-sql.com/feature/is-distinct-from https://modern-sql.com/feature/is-distinct-from