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SELECT CASE
WHEN A + B > C THEN
CASE
WHEN A = B AND B = C THEN 'Equilateral'
WHEN A = B OR B = C OR A = C THEN 'Isosceles'
WHEN A != B OR B != C OR A != C THEN 'Scalene'
END
ELSE 'Not A Triangle'
END
FROM TRIANGLES;
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Type of Triangle
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SELECT CASE
WHEN A + B > C THEN CASE WHEN A = B AND B = C THEN 'Equilateral' WHEN A = B OR B = C OR A = C THEN 'Isosceles' WHEN A != B OR B != C OR A != C THEN 'Scalene' END
ELSE 'Not A Triangle' END FROM TRIANGLES;