MySQL 查询部门人数大于2的员工信息

以下表,查询部门人数大于2的员工信息,并把员工姓名和头衔一块儿输出出来string

1.员工表(employee)it

2.部门表(department)test

3.Sql语句:select

select CONCAT(name,title) ,sex,employee_no,department_id from test.employee where department_id in(select department_id from test.employee group by department_id HAVING(count(department_id)>1));im

4.结果查询

5.主要Concat(string,string,....)和HAVING()的使用img

6.太晚了,后续补上。。。哇嘎嘎co

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