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B-Tree1B-TreeContentsB-Tree ......................................................................................... 1 ............................................................................................. 2B-tree ....................................................................................... 4B-Tree ............................................................................................ 8B-TreeKuath: B-Tree of Order 5CLRS: B-Tree of min degree 5 2CS673: B-tree of maximum degree k使使 3 B-tree4B-treesearchB-TREE-SEARCH(x, k) i 1 while i n[x] and k key[x, i] do i i + 1 if i n[x] and k = key[x, i] then return (x, i) if leaf[x] then return NIL else c = DISK-READ(c[x, i]) return B-TREE-SEARCH(c, k)insert B-tree5 B-tree6 B-tree7Preemtive SplitB-treeB-TREE-CREATE(T) x ALLOCATE-NODE() leaf[x] TRUE n[n] 0 DISK-WRITE(x) root[T] x B-Tree8B-Tree

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