<ul><li>Oracle's hierarchical query capabilities can be encapsulated in views, providing a cleaner and more manageable interface for accessing hierarchical data.</li><li>Views simplify the process for developers less familiar with hierarchical queries and enhance code reusability.</li><li>Creating a view that performs the hierarchical query abstracts away the underlying complexity and improves code readability.</li><li>Performance considerations include optimizing indexes, minimizing selected columns, and materializing the view if feasible.</li></ul>

Oracle 19c: Finding the Root Node from Any Child Node Using a View

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