DataBase System CA Running Example G Employee Information: emp_id emp name emp_phone dept name dept_phone dept_mgrname skill id skill_name From one up to a large skill date number of skills useful to the company skill lvI Haichang Gao, Software School, Xidian University 10DataBase System Haichang Gao , Software School , Xidian University 10  Employee Information: A Running Example From one up to a large number of skills useful to the company