kurs:group_by_year
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kurs:group_by_year [2014/09/10 21:22] |
kurs:group_by_year [2014/09/10 21:22] (current) |
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| + | <code> | ||
| + | select years2, count(years), count(years2), count(years)-count(years2) from ( | ||
| + | -- select extract(year from ((sysdate - hire_date) year to month)) years from employees | ||
| + | select extract(year from ((sysdate - hire_date) year to month)) years, | ||
| + | trunc((sysdate - hire_date)/365) years2 | ||
| + | from employees | ||
| + | ) | ||
| + | group by years2 | ||
| + | order by years2 | ||
| + | </code> | ||
kurs/group_by_year.txt · Last modified: 2014/09/10 21:22 (external edit)
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