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SELECT
CASE
WHEN (A = B AND A = C AND B = C ) THEN 'Equilateral'
WHEN (A = B OR A = C OR B = C ) AND (A+B > C) THEN 'Isosceles'
WHEN (A != B AND A != C AND B != C ) AND (A+B > C) THEN 'Scalene' ELSE 'Not A Triangle'
END AS 'TRIANGLES NAMES'
FROM TRIANGLES;
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Type of Triangle
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MS SQL SERVER
SELECT CASE WHEN (A = B AND A = C AND B = C ) THEN 'Equilateral' WHEN (A = B OR A = C OR B = C ) AND (A+B > C) THEN 'Isosceles' WHEN (A != B AND A != C AND B != C ) AND (A+B > C) THEN 'Scalene' ELSE 'Not A Triangle' END AS 'TRIANGLES NAMES' FROM TRIANGLES;