QuatoHub

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

QuatoHub

SELECT name FROM Employee 
WHERE salary > 2000 AND months < 10 
ORDER BY employee_id;

QuatoHub

SELECT name FROM Employee ORDER BY name;

QuatoHub

SELECT Name FROM STUDENTS WHERE Marks > 75 
ORDER BY RIGHT(Name, 3), ID;

QuatoHub

SELECT DISTINCT CITY FROM STATION 
WHERE NOT REGEXP_LIKE(CITY, "^[aeiou]")
    AND NOT REGEXP_LIKE(CITY, "[aeiou]$");

QuatoHub

SELECT DISTINCT CITY FROM STATION
WHERE NOT REGEXP_LIKE(CITY, "^[aeiou]")
    OR NOT REGEXP_LIKE(CITY, "[aeiou]$");

QuatoHub

SELECT DISTINCT CITY FROM STATION
WHERE NOT REGEXP_LIKE(CITY, "[aeiou]$");

QuatoHub

SELECT DISTINCT CITY FROM STATION 
WHERE NOT REGEXP_LIKE(CITY, "^[aeiou]");

QuatoHub

SELECT DISTINCT CITY FROM STATION 
WHERE REGEXP_LIKE(CITY, "^[aeiou]")
  AND REGEXP_LIKE(CITY, "[aeiou]$");

QuatoHub

SELECT DISTINCT CITY FROM STATION 
WHERE REGEXP_LIKE(CITY, "[aeiou]$");