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SELECT "Isosceles" from TRIANGLES where ( ((A = B) or (A = C) or (C = B) ) and not ( A = B and A = C ) and not (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B )) );
SELECT "Equilateral" from TRIANGLES where ( A = B and A = C );
SELECT "Scalene" from TRIANGLES where ( ((A <> B) and (A <> C) and ( B <> C )) and not (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B )) );
SELECT "Not A Triangle" from TRIANGLES where (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B ));
Why does it says wrong answer ??
or this
CASE
WHEN (((A = B) or (A = C) or (C = B) ) and not ( A = B and A = C ) and not (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B ))) THEN SELECT "Isosceles";
WHEN ( A = B and A = C ) THEN SELECT "Isosceles";
WHEN (((A <> B) and (A <> C) and ( B <> C )) and not (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B ))) THEN SELECT "Scalene";
WHEN (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B )) THEN SELECT "Not A Triangle";
END CASE
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Type of Triangle
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SELECT "Isosceles" from TRIANGLES where ( ((A = B) or (A = C) or (C = B) ) and not ( A = B and A = C ) and not (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B )) );
SELECT "Equilateral" from TRIANGLES where ( A = B and A = C );
SELECT "Scalene" from TRIANGLES where ( ((A <> B) and (A <> C) and ( B <> C )) and not (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B )) );
SELECT "Not A Triangle" from TRIANGLES where (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B ));
Why does it says wrong answer ??
or this
CASE WHEN (((A = B) or (A = C) or (C = B) ) and not ( A = B and A = C ) and not (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B ))) THEN SELECT "Isosceles"; WHEN ( A = B and A = C ) THEN SELECT "Isosceles"; WHEN (((A <> B) and (A <> C) and ( B <> C )) and not (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B ))) THEN SELECT "Scalene"; WHEN (( (A + B) < C ) or ( (C + B) < A ) or ( (C + A) < B )) THEN SELECT "Not A Triangle"; END CASE