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kurs:zeit_und_intervalle [2010/05/18 11:15] 127.0.0.1 external edit |
kurs:zeit_und_intervalle [2014/09/10 21:22] |
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- | <code> | ||
- | select sysdate-to_yminterval('1-0') from dual | ||
- | select sysdate-1/24 from dual; | ||
- | |||
- | select ( (sysdate-1/24) - (sysdate-to_dsinterval('0 02:30:00')) ) day to second from dual; | ||
- | </code> | ||
- | |||
- | alle angestellten die länger als 12 Jahre "dabei" sind | ||
- | <code> | ||
- | select last_name, hire_date, (sysdate - hire_date) year to month as dauer | ||
- | from employees where hire_date + to_yminterval('12-0') < sysdate | ||
- | order by hire_date desc | ||
- | </code> |