Because it doesn't make a difference, because `SELECT 1` doesn't need to touch the database:
reply Running 100,000 `SELECT 1` queries:
PostgreSQL (localhost): 2.71 seconds
SQLite (in-memory): 0.07 seconds
SQLite (tempfile): 0.07 seconds
Why are you doing meaningless microbenchmarks?
reply> Because it doesn't make a difference, because `SELECT 1` doesn't need to touch the database:
replyI 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.
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.
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