# 67. B-Tree Indexes

- [67.1. Introduction](/15/internals/b-tree-indexes/introduction.md)
- [67.2. Behavior of B-Tree Operator Classes](/15/internals/b-tree-indexes/behavior-of-b-tree-operator-classes.md)
- [67.3. B-Tree Support Functions](/15/internals/b-tree-indexes/b-tree-support-functions.md)
- [67.4. Implementation](/15/internals/b-tree-indexes/implementation.md)