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select emp_no,emp_name,dept,isnull(convert(char(10),birthday,120),'ÈÕÆÚ²»Ïê') birthday
from employee
order by dept
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from employee
where emp_name'Ó÷×ÔÇ¿' and dept in
(select dept from employee
where emp_name='Ó÷×ÔÇ¿')
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select dept,sum(salary)
from employee
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from sale_item
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