"Inner": When the tree node is an inner node, we label it as “Inner”

"Inner": When the tree node is an inner node, we label it as “Inner”

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, sql-query, topic-specific, sql, database

参考答案摘要

Write a SQL query to find and return the type of each of the nodes in the given tree. You can return the result in any order. Example: Input: Tree Table | id | parent_id | | --- | --- | | 1 | null | |...

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