As mentioned above, FAANG is only five companies, so the overwhelming majority of companies are not FAANG-scale. And down at the opposite end of the scale, yes

As mentioned above, FAANG is only five companies, so the overwhelming majority of companies are not FAANG-scale. And down at the opposite end of the scale, yes of course there are lots -- literally millions, across the world -- of companies that don't have anyone with a computer science degree employed, so the owner (or his brother-in-law's 16-year-old "computer whiz" nephew) built any database they may have.