We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. SQL
  3. Advanced Select
  4. Binary Tree Nodes
  5. Discussions

Binary Tree Nodes

  • chaitanyanair93
     + 0 comments

    MYSql Solution 

    SELECT CASE
WHEN P IS NULL THEN CONCAT(N, " Root")
WHEN N IN (SELECT DISTINCT P FROM BST) THEN CONCAT(N," Inner")
ELSE CONCAT(N," Leaf")
END
FROM BST
ORDER BY N ASC;