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SOLVED: You are supposed to represent directed labeled graphs in SQL. A directed labeled graph consists of nodes and directed labeled edges connecting the nodes. We assume the labels are colors.Define an appropriate SQL schema.Write the following queries in SQL2 or SQL3:- Find all pairs of nodes connected by a path consisting of green or yellow edges (SQL3). The edges in the path may be of different colors, as long as each is green or yellow.- For every node, calculate the number of outgoing edg