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select N, case when P is null then 'Root' when N in (select P from BST) then 'Inner' else 'Leaf' END as bs from BST order by N;
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Binary Tree Nodes
You are viewing a single comment's thread. Return to all comments →
select N, case when P is null then 'Root' when N in (select P from BST) then 'Inner' else 'Leaf' END as bs from BST order by N;