How does new database feature work?

I guess I don't understand. I enabled it in options and put my top-level music folder in the index list. Loaded my 60k files and it took as long as usual, but next time I expected it to load fast. Having the database did not seem to make anything quicker. Am I not doing it right? Thanks.

Where do you store the audio files? An external drive, connected via USB? A NAS? Here usually the interface speed is the bottleneck.
The database can have some speeding up effect. The main virtue is the lower and better consumption of available memory so that even large collections can be loaded in one session.