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2) Write "group by" operation in Java. Assume there is a CSV file called "emp_dept.txt" The file has two columns "employee_id" and "dept_id" separated by comma Write equivalent of following query select dept_id, count(*) from table1 where dept_id != 3 group by dept_id having count(*) > 50 order by count(*) desc First was asked to explain about the query and then implement it in Java without any ORM/JPA
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Cloud Software Engineer

Interviewed at Intuit

4.2★
Jan 30, 2018

2) Write "group by" operation in Java. Assume there is a CSV file called "emp_dept.txt" The file has two columns "employee_id" and "dept_id" separated by comma Write equivalent of following query select dept_id, count(*) from table1 where dept_id != 3 group by dept_id having count(*) > 50 order by count(*) desc First was asked to explain about the query and then implement it in Java without any ORM/JPA

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