kurs:case_group_by
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kurs:case_group_by [2014/09/10 21:22] |
kurs:case_group_by [2014/09/10 21:22] (current) |
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| + | <code> | ||
| + | select alt, count(alt) from ( | ||
| + | select ((case when hire_date > (sysdate - to_yminterval('12-0')) then 'Neuling' | ||
| + | when hire_date > (sysdate - to_yminterval('15-0')) then 'Mittelding' | ||
| + | else 'Alter Sack' end)) alt | ||
| + | from employees) | ||
| + | group by alt | ||
| + | </code> | ||
kurs/case_group_by.txt · Last modified: 2014/09/10 21:22 (external edit)
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