SQLite: COUNT slow on big tables

Question

I\'m having a performance problem in SQLite with a SELECT COUNT(*) on a large tables.

As I didn\'t yet receive a usable answer and I did some further testing, I edited m

Answer 1

I had the same problem, in my situation VACUUM command helped. After its execution on database COUNT(*) speed increased near 100 times. However, command itself needs some minutes in my database (20 millions records). I solved this problem by running VACUUM when my software exits after main window destruction, so the delay doesn't make problems to user.