MongoDB Index Shootout: Covered Indexes vs. Clustered Fractal Tree Indexeshttp://www.tokutek.com/2012/09/mongodb-index-shootout-covered-indexes-vs-clustered-fractal-tree-indexes/#.UEjyIG4vt2Q.hackernews by Tokutek • 14 years ago 4 0 14 years agoTOtokutek.com