Introduction to SQL
Find all the tuples having temperature greater than 'Paris'.

SELECT * FROM weather WHERE temperature > (SELECT temperature FROM weather WHERE city = 'Paris')
SELECT * FROM weather WHERE temperature > (SELECT city FROM weather WHERE city = 'Paris')
SELECT * FROM weather WHERE temperature > 'Paris' temperature
SELECT * FROM weather WHERE temperature > (SELECT * FROM weather WHERE city = 'Paris')

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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')

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

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Introduction to SQL
A view is which of the following?

A base table that can be accessed via SQL commands
A virtual table that cannot be accessed via SQL commands
A base table that cannot be accessed via SQL commands
A virtual table that can be accessed via SQL commands

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Introduction to SQL
Find the temperature in increasing order of all cities

SELECT city, temperature FROM weather ORDER BY city;
SELECT city FROM weather ORDER BY temperature;
SELECT city, temperature FROM weather ORDER BY temperature;
SELECT city, temperature FROM weather;

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