2024.12.05 7일차 수업
문제 1) 20년 이상 근무한 사원들의 employee_id, salary, grade_level, 근무 연수, department_name, city를 출력하시오. 1. Oracle 방법select e.employee_id, e.salary, trunc(months_between(sysdate, hire_date)/12) 근무연수, j.grade_level, d.department_name, l.cityfrom hr.employees e, hr.job_grades j, hr.departments d, hr.locations lwhere months_between(sysdate, e.hire_date)/12 >= 20and e.salary between j.lowest_sal and j.high..
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