What Is The Significance Of The Statement Group By Dname In The #1101
What is the significance of the statement “GROUP BY d.name” in the following MySQL statement?</p> <pre><code class="language-sql"> 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 </code></pre>
This multiple choice question (MCQ) is related to the book/course
gs gs113 MySQL.
It can also be found in
gs gs113 Select Statement - The group by and having Clause - Quiz No.1.
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
Aggregation of the field “name” of both table
Aggregation of the field “name” of table “department”
Sorting of the field “name”
None of the mentioned
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