count columns group by
- by zhangzhong
I hava the sql as below:
select a.dept, a.name
from students a
group by dept, name
order by dept, name
And get the result:
dept name
-----+---------
CS | Aarthi
CS | Hansan
EE | S.F
EE | Nikke2
I want to summary the num of students for each dept as below:
dept name count
-----+-----------+------
CS | Aarthi | …
