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Matrix Query

Create a query to display the total number of employees, of that total, the number of employees hired in 1995, 1996, 1997, 1998. Create appropriate column heading from the employees table.
Asked by: enochnikoi | Member Since Mar-2011 | Asked on: Mar 9th, 2011

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mlodugu

Answered On : Apr 10th, 2011

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How about this?

SELECT SUM(sal) Total_sal, extract(year from hiredate) Yr
FROM scott.emp GROUP BY Rollup(extract(year from hiredate))

  
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Prem_p

Answered On : Apr 28th, 2011

View all answers by Prem_p

SELECT count(e.empno) Emp_Count,to_char(e.hiredate,'YYYY') hired_On   
from empoyee e
where to_char(e.hiredate,'YYYY') in (1995, 1996, 1997, 1998)
group by rollup(to_char(e.hiredate,'YYYY')) 
order by 2

  
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