B tree vs. B+ tree

3219 2018-07-22 11:54

B tree vs. B+ tree

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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