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kurs:einfache_subquery

This is an old revision of the document!


select avg(salary) from employees e, departments d 
where d.department_id = e.department_id and
      department_name = 'IT'
      
select first_name, last_name, salary from employees
where salary > 5760

select first_name, last_name, salary from employees e
where salary > (select avg(salary) from employees e, departments d 
               where d.department_id = e.department_id and
               department_name = 'IT')
kurs/einfache_subquery.1288272278.txt.gz · Last modified: 2014/09/10 21:22 (external edit)