How Long Does It Take For Cddb How Long Does It Take Before The Gracenote CDDB (iTunes) Database Updates Itself The The Details You Submit?

How long does it take before the Gracenote CDDB (iTunes) database updates itself the the details you submit? - how long does it take for cddb

Is it immediately? I have only the CD track names from a particular album, but if I do on any computer, iTunes comething think it's completely different!