1. 显示工资涨幅，员工编号，原来的工资和增长的工资： 部门号十、50、110的有5%的涨幅， 部门号为60的涨10%的工资部门号为20和80涨幅为15%，部门为90的不涨工资

SELECT * FROM ( select 'raise 5%' raise,e.employee_id as employee_id,e.salary,e.salary*0.05 as newsalary from employees e where e.department_id in (10,50,110)) UNION ALL SELECT * FROM

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