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

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

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Introduction to SQL
The HAVING clause does which of the following?

Acts EXACTLY like a WHERE clause.
Acts like a WHERE clause but is used for rows rather than columns.
Acts like a WHERE clause but is used for groups rather than rows.
Acts like a WHERE clause but is used for columns rather than groups.

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Introduction to SQL
Which of the following query is correct for using comparison operators in SQL?

None of these
SELECT name, course_name FROM student WHERE age>50 and <80;
SELECT name, course_name FROM student WHERE age>50 and WHERE age<80;
SELECT name, course_name FROM student WHERE age>50 and age <80;

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