[SQL 문제 풀이] Triangle Judgement (삼각형)

Can you solve this real interview question? Triangle Judgement - Table: Triangle +-------------+------+ | Column Name | Type | +-------------+------+ | x | int | | y | int | | z | int | +-------------+------+ In SQL, (x, y, z) is the primary key column for this table. Each row of this table contains the lengths of three line segments.   Report for every three line segments whether they can form a triangle. Return the result table in any order. The result format is in the following example.   Example 1: Input: Triangle table: +----+----+----+ | x | y | z | +----+----+----+ | 13 | 15 | 30 | | 10 | 20 | 15 | +----+----+----+ Output: +----+----+----+----------+ | x | y | z | triangle | +----+----+----+----------+ | 13 | 15 | 30 | No | | 10 | 20 | 15 | Yes | +----+----+----+----------+