Advanced Database20815 marksQuery Trees and Heuristics for Query Optimization
What are the uses of query trees in query processing? Explain.
What are the uses of query trees in query processing? Explain. [5]
A query tree is a hierarchical (tree-based) representation of the steps and operations involved in executing a database query. It outlines the logical and physical operations required to retrieve the desired data from the database. --- Query trees provide a visual representation of the query exec...