Check my own B+-Tree implementation that I did as an exercise. It's clean and well-commented. https://gist.github.com/philix/236f82183bbb27bd01033f94fe42e69b ht

Check my own B+-Tree implementation that I did as an exercise. It's clean and well-commented. https://gist.github.com/philix/236f82183bbb27bd01033f94fe42e69b https://gist.github.com/philix/236f82183bbb27bd01033f94fe42e... Real database systems are more sophisticated, but the most basic B+-Tree is still very interesting.