Type of Triangle in MYSQL

Question

Problem statement:

Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. Output one of the followin

Answer 1

SELECT CASE
WHEN (A + B <= C) OR (B+C <= A) OR (A+C <= B) THEN "Not A Triangle" 
WHEN (A=B) AND (B=C) THEN "Equilateral"
WHEN (A=B) OR (C=A) OR (B=C) THEN "Isosceles" 
ELSE "Scalene" 
END 
FROM TRIANGLES