• + 1 comment

    Can anyone help me understand why this is not an acceptable solution?

    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 B=C OR C=A THEN 'Isosceles' ELSE 'Scalene' END FROM TRIANGLES