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Common Search Structures Structure Type Data Format Time Complexity Sequential Search Any O(N) Binary Search Sorted O(log N) Binary Search Tree (BST) Any O(N) to O(log N) Balanced BST (AVL, Red-Black) Any O(log N) Hash Table Any O(1) average These structures are suitable for in-memory (internal) sea...

B-trees are height-balanced search trees dseigned to minimize I/O by packing many ordered keys into a single node sized to a disk block or cache line. Instead of assuming all data lives in main memory (as typical for AVL or Red-Black trees), B-trees optimize for large datasets by reducing the number...