3 ms·

I'd guess: - everything was in RAM, - it was written in a compiled language, and - probably skipped worrying about too many crazy edge cases

• thumbuddy 3y ago
  Same guesses I'd also add, single client without network connections. Anyone who says "writing a database from scratch is easy" makes me sweat profusely.
  • hot_gril 3y ago
    Especially not easy if you actually implement read/write transactions (=> concurrency control, WAL, ...)