b+-trees
B+-trees are a type of self-balancing tree data structure that maintains sorted data and allows for efficient insertion, deletion, and retrieval operations. They are used in databases and file systems for indexing and searching large datasets. The structure of a B+-tree consists of internal nodes with keys and pointers to child nodes, and leaf nodes that contain actual data entries. When data is inserted or deleted, the tree automatically adjusts its structure to maintain balance and optimize performance.
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