अधिकतम गिनती

Question

मेरे तालिका संरचना

| Field  | Type  | Null | Key | Default   | Extra | 
| uid  | char(255) | NO |  |     |  | 
| lid  | char(255) | NO | MUL |     |  | 
| ip_address | char(15) | NO |  |     |  | 
| user_agent | char(255) | YES |  | NULL    |  | 
| open_date | timestamp | NO | MUL | CURRENT_TIMESTAMP |  | 
| referrer | char(255) | YES |  | NULL    |  | 
| environ | text  | YES |  | NULL    |  | 
| country | char(255) | NO | MUL |     |  | 

है मैं अधिकतम के लिए क्वेरी करने के लिए एक महीने

क्वेरी

select count(open_date) as c,day(open_date) as d 
from link_click 
where month(open_date)="01" and year(open_date)="2011" 
group by d 
having c =MAX(c); 

लेकिन यह है की एक विशेष दिन में recored क्लिक चाहते परिणामस्वरूप खाली सेट।

Pls। सुझाना।

Answer 1

क्या यह आप के बाद क्या है?

select count(open_date) as c,day(open_date) as d 
from link_click 
where month(open_date)="01" and year(open_date)="2011" 
group by d 
order by c desc 
limit 1; 

Answer 2

यह काम हो सकता है:

select * from (
    select count(open_date) as c,day(open_date) as d 
    from link_click 
    where month(open_date)="01" and year(open_date)="2011" 
    group by d) 
having c =MAX(c);