An adjacency matrix is a two-dimensional array that stores the edges between two vertices as boolean values. The rows and columns of the matrix represent the vertices of the graph. Let's look at an ...

Learn how to store and query hierarchical data in a relational table using the adjacency list model and its pros and cons. Explore other models as well. Sign in to view more content ...

Compound graphs, a frequently encountered type of data set, have a hierarchical tree structure with parent-child relations (‘inclusion’ relations) and non-hierarchical relations between leaf nodes ...

Often a carefully chosen data structure will allow the most efficient algorithm to be used. A well-designed data structure allows us to apply variety of critical operations by the few resources, both ...