MySQL의 GROUP

Question

table: 
id p_name  p_price 
1 tan   1 
2 soap   1 
3 pro tan 01 2 
4 pro tan 02 3 
5 pro tan 03 4 

내가 html로 결과를 원하는 pro tan 포함 된 제품, 뭔가 나에게 그룹을 어떻게

product name  price 
tan    1 
soap    1 
pro tan   9 

PHP :

$q_products = $db->query("SELECT * FROM p_products 
          GROUP BY p_name 
          HAVING LIKE 'pro tan%'"); 
// follow by while loop for echoing 

Answer 1

select s.p_name, sum(s.p_price) 
from 
    (select left(p_name, 7) as p_name, 
    p_price from products) s 
group by s.p_name; 

는 무엇을해야합니까 네가 원해.

Answer 2

OK, 나는 아직 언급하지만, 시도 기운이

$q_products = $db->query("SELECT * FROM p_products GROUP BY p_name having p_name LIKE 'pro tan%'");