Why is SQLite3 using covering indices instead of the indices I created?
- by Geoff
I have an extremely large database (contacts has ~3 billion entries, people has ~280 million entries, and the other tables have a negligible number of entries). Most other queries I've run are really fast. However, I've encountered a more complicated query that's really slow. I'm wondering if there's any way to speed this up.
First of all, here is…