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select last_name, department_id from employees where department_id = 50 or department_id = 60
select first_name,
last_name,
salary from employees
where salary >= 10000 and
salary < 15000
order by salary desc
select first_name,
last_name,
salary from employees
where salary in('10000',
'11000',
'13000'
)
order by salary desc
select first_name,
last_name,
salary from employees
where salary not between 10000 and 14000
and salary not in (10000, 14000)
order by salary desc