Keep in mind that though it is often claimed that SQLite is DO-178B certified, they do not claim that themselves, they merely say DO-178B-inspired: https://www.sqlite.org/hirely.html
And while Airbus confirmed they are using SQLite, they did not claim they are using it in safety critical parts, which D. Richard Hipp confirms here: https://news.ycombinator.com/item?id=18039303