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Insertion in a B+ Tree

Insertion in a B+ Tree. Insert: 8. 8. Insertion in a B+ Tree. Insert: 5. 5. 8. Insertion in a B+ Tree. Overflow – create a new level. Insert: 1. 5. 1. 5. 8. Insertion in a B+ Tree. Insert: 7. 5. 1. 5. 7. 8. Insertion in a B+ Tree. Overflow - Split. Insert: 3. 3. 5. 1. 3.

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Insertion in a B+ Tree

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  1. Insertion in a B+ Tree Insert: 8

  2. 8 Insertion in a B+ Tree Insert: 5

  3. 5 8 Insertion in a B+ Tree Overflow – create a new level Insert: 1

  4. 5 1 5 8 Insertion in a B+ Tree Insert: 7

  5. 5 1 5 7 8 Insertion in a B+ Tree Overflow - Split Insert: 3

  6. 3 5 1 3 5 7 8 Insertion in a B+ Tree Overflow - Split Propagates to a new level Insert: 12

  7. 5 8 3 12 1 3 5 7 8 Insertion in a B+ Tree Insert: 9

  8. 5 8 3 1 3 5 7 8 9 12 Insertion in a B+ Tree Overflow – Split Insert: 6

  9. 5 3 7 8 1 3 5 6 7 8 9 12 Insertion in a B+ Tree Resulting B+-tree

  10. 9 7 1 6 12 1 5 6 7 8 9 Deletion in a B+-Tree Delete: 5

  11. 9 7 1 6 12 1 7 8 9 6 Deletion in a B+-Tree Underflow - redistribute Delete: 12

  12. 8 7 1 6 1 7 6 9 8 Deletion in a B+-Tree Delete: 9

  13. 8 7 1 6 1 7 6 8 Deletion in a B+-Tree Underflow merge with the left propagate reduce the tree levels

  14. 1 6 1 6 7 8 Deletion in a B+-Tree

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