B tree vs. B+ tree5145 2018-07-22 11:54
Pros of B tree
- Data associated with each key ⟶ frequently accessed nodes can lie closer to the root, and therefore can be accessed more quickly.
Pros of B+ tree
- No data associated in the interior nodes ⟶ more keys in memory ⟶ fewer cache misses
- Leaf nodes of B+ trees are linked ⟶ easier to traverse ⟶ fewer cache misses
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