kurs:zeit_und_intervalle
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kurs:zeit_und_intervalle [2009/09/24 14:17] mh |
kurs:zeit_und_intervalle [2010/05/18 11:15] 127.0.0.1 external edit |
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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> | ||
kurs/zeit_und_intervalle.txt · Last modified: 2014/09/10 21:22 (external edit)
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