task: #610

README.md

@@ -43,6 +43,7 @@ Have a good contributing!
     - [586. Customer Placing the Largest Number of Orders](./leetcode/easy/586.%20Customer%20Placing%20the%20Largest%20Number%20of%20Orders.sql)
     - [595. Big Countries](./leetcode/easy/595.%20Big%20Countries.sql)
     - [596. Classes With at Least 5 Students](./leetcode/easy/596.%20Classes%20With%20at%20Least%205%20Students.sql)
+    - [610. Triangle Judgement](./leetcode/easy/610.%20Triangle%20Judgement.sql)
 2. [Medium](./leetcode/medium/)
     - [176. Second Highest Salary](./leetcode/medium/176.%20Second%20Highest%20Salary.sql)
     - [184. Department Highest Salary](./leetcode/medium/184.%20Department%20Highest%20Salary.sql)

leetcode/easy/610. Triangle Judgement.sql

@@ -0,0 +1,31 @@
+/*
+Question 610. Triangle Judgement
+Link: https://leetcode.com/problems/triangle-judgement/description/
+
+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.
+*/
+
+SELECT 
+    x,
+    y,
+    z,
+    CASE
+        WHEN (x + y) > z AND (x + z) > y AND (y + z) > x THEN 'Yes'
+        ELSE 'No'
+    END AS is_triangle
+FROM Triangle