May 2024
Intermediate to advanced
521 pages
14h 12m
English
Content preview from Data Structures Using C, 2nd Edition by Pearson
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484 Data Structures Using C
10.4.3 Deleting a Key from a B-Tree
Deletion of a key from a node of B-tree has to be done with lot of care because it might violate the basic
properties of the B-tree itself. For example, one must consider the following cases:
(1) After the deletion of a key in a leaf node, if the degree of the node decreases below the minimum
degree of the tree then the siblings must be combined to increase the degree to the acceptable level.
Consider the deletion of K 5 8 from the B-tree given in Figure 10.34.
Since the key (8) is in the leaf of the B-tree and its deletion does not violate the degree of that leaf, the
key is deleted ...
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