kurs:sets_gruppenoperatoren
Differences
This shows you the differences between two versions of the page.
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kurs:sets_gruppenoperatoren [2010/05/18 11:15] 127.0.0.1 external edit |
kurs:sets_gruppenoperatoren [2014/09/10 21:22] |
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| - | <code> | ||
| - | select employee_id as id, job_id, last_name, to_date(sysdate) from employees | ||
| - | union | ||
| - | select employee_id, job_id, to_char(null), to_date(end_date) from job_history | ||
| - | order by 1,3,4 desc | ||
| - | </code> | ||
| - | <code> | ||
| - | select first_name, last_name from employees where employee_id in | ||
| - | ( | ||
| - | select employee_id | ||
| - | from employees | ||
| - | where job_id = 'IT_PROG' | ||
| - | union | ||
| - | select employee_id | ||
| - | from job_history | ||
| - | where job_id = 'IT_PROG' | ||
| - | ) | ||
| - | ------ | ||
| - | |||
| - | select first_name, last_name, stand, datum from employees, | ||
| - | ( | ||
| - | select employee_id, | ||
| - | job_id, | ||
| - | 'jetzt' stand, | ||
| - | sysdate datum | ||
| - | from employees | ||
| - | where job_id = 'IT_PROG' | ||
| - | union | ||
| - | select employee_id, | ||
| - | job_id, | ||
| - | 'früher' stand, | ||
| - | end_date datum | ||
| - | from job_history | ||
| - | where job_id = 'IT_PROG' | ||
| - | ) history | ||
| - | where history.employee_id = employees.employee_id | ||
| - | </code> | ||
kurs/sets_gruppenoperatoren.txt · Last modified: 2014/09/10 21:22 (external edit)
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