Introduction to SQL
Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints

Introduction to SQL
What does the following query find?(SELECT DISTINCT r.sidFROM boats b, reserves rWHERE b.bid = r.bidAND b.color = 'red')MINUS(SELECT DISTINCT r.sidFROM boats b, reserves rWHERE b.bid = r.bidAND b.color = 'green')

None of These
Find the sailor Ids of atmost one sailor who have reserved red boats but not green boats
Find the sailor IDs of at least one sailor who have reserved red boats but not green boats
Find the sailor IDs of all sailors who have reserved red boats but not green boats

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Introduction to SQL
Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy

SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy');
SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy');
SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy');
SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy');

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