4 ms·
Errm, we're talking about performance of joins
by gaius 9y ago
Errm, we're talking about performance of joins
- kondro 9y agoThey don't help with that either.
- Sacho 9y agoPerhaps parent is conflating indexes with constraints? I believe InnoDB creates indexes automatically with foreign keys.
- ComputerGuru 9y agoJoins will use the regular index matching it against the join condition just like a where clause would.