HackerRank - SQL - Type of Triangle

Problem

Type of Triangle

MySQL

select
case
when A+B<=C or A+C<=B or B+C<=A then “Not A Triangle”
when A=B and A=C and B=C then “Equilateral”
when A=B or A=C or B=C then “Isosceles”
else “Scalene”
END
FROM TRIANGLES;
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