从emp表中显示工作，每个工作下的员工总数

I want output like:

我想输出像:

----------

 job          count          ename
----------
salesman      4            name1
                           name2
                           name3
                           name4

clerk         4            name1
                           name2
                           name3
                           name4
manager       3            name1
                           name2
                           name3
analyst       2            name1
                           name2
president     1            name
----------

 job