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Biblioteka

AGGREGATE FUNCTION IN SQL

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Posljednje ažuriranje almost 6 years ago
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SQL AGGREGATE FUNCTION TEST

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Pitanje 1
1.

Q-1 What is the meaning of “GROUP BY” clause in Mysql?

Pitanje 2
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Q-2 Which clause is similar to “HAVING” clause in Mysql?

Pitanje 3
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Q-3 What is the meaning of “HAVING” clause in Mysql?

Pitanje 4
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Q-4 “COUNT” keyword belongs to which categories in Mysql?

Pitanje 5
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Q-5 Which among the following belongs to an “aggregate function”?

Pitanje 6
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Q-6 Which of the following belongs to an “aggregate function”?

Pitanje 7
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q-7 Which clause is used with an “aggregate functions”?

Pitanje 8
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Q-8 What is the significance of the statement “GROUP BY d.name” in the following MySQL statement?

SELECT d.name, COUNT (emp_id) emp_no FROM department d INNER JOIN Employee e ON d.dept_id=e.emp_id GROUP BY d.name

Pitanje 9
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Q-9 What is the significance of the statement “HAVING COUNT (emp_id)>2” in the following MySQL statement?

SELECT d.name, COUNT (emp_id) emp_no FROM department d INNER JOIN Employee e ON d.dept_id=e.emp_id GROUP BY d.name HAVING COUNT (emp_id)>

Pitanje 10
10.

Q-10 A Group By clause can use column aliasing.