As an accountant I think of the single source of truth being a single table of double entry transactions (the ledger) but most ERPs actually have a maze of tabl

As an accountant I think of the single source of truth being a single table of double entry transactions (the ledger) but most ERPs actually have a maze of tables to support a sophisticated UI that's easier to use, and when you actually want a ledger then it's generated as a report.