| 释义 |
root 1. In a hierarchically organized structure of entities, the main level from which all other levels branch out. Such a structure can take the form of a root with multiple branches, each of which may have multiple leaves. 2. In a hierarchical network tree topology, the central bus from which all other busses branch out. See also bus topology and tree topology. 3. In a hierarchically structured database, a record at the first level, from which all other records branch out. Such a structure is known as a tree. |