Vertex w is adjacent to vertex v if there is an edge from v to w. An unweighted path length is the sum of the edge costs on a path. The weighted path length is the number of edges in a path. A cycle in a directed graph starts and ends on the same vertex, and contains at least one edge.

Vertex w is adjacent to vertex v if there is an edge from v to w. An unweighted path length is the sum of the edge costs on a path. The weighted path length is the number of edges in a path. A cycle in a directed graph starts and ends on the same vertex, and contains at least one edge.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Vertex w is adjacent to vertex v if there is an edge from v to w.
An unweighted path length is the sum of the edge costs on a path.
The weighted path length is the number of edges in a path.
A cycle in a directed graph starts and ends on the same vertex, and contains at least one edge.

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