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SELECT CASE
WHEN A=B AND B=C AND C=A THEN 'Equilateral'
WHEN A+B<=C or B+C<=A or A+C<=B THEN 'Not A Triangle'
WHEN A=B OR B=C OR C=A THEN 'Isosceles'
ELSE 'Scalene'
END AS "Type Of Triangle"
FROM TRIANGLES;
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Type of Triangle
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SELECT CASE WHEN A=B AND B=C AND C=A THEN 'Equilateral' WHEN A+B<=C or B+C<=A or A+C<=B THEN 'Not A Triangle' WHEN A=B OR B=C OR C=A THEN 'Isosceles' ELSE 'Scalene' END AS "Type Of Triangle" FROM TRIANGLES;