[locknitpicker]

> Because it doesn't make a difference, because `SELECT 1` doesn't need to touch the database:

I hope you understand that your claim boils down to stating that SQLite is faster at doing nothing at all, which is a silly case to make.

[eurleif]

The original claim being discussed is about the overhead of an in-process database vs. a database server in a separate process, not about whether SQLite or PostgreSQL have a faster database engine.