Most often used in databases and file systems, B-trees are tree structures (a type of data structure) that are optimized for situations when all or part of the tree must be maintained on a secondary s [..]

A B-tree is a type of tree, or data structure, that helps support various IT systems by allowing a range of dynamic child node numbers that can be changed over time. It uses a set of keys to divide th [..]

An indexing method in which the values of the columns used in the index are efficiently maintained in sorted order that also provides fast access (three or four additional disk accesses) to an individ [..]