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