Mustafa Yalcin Acikyildiz wrote:
hello. i have a speed problem ;).
table: title_id bigint(50),title char(200), cdate datetime
query: select title, max(cdate) as mdt, count(title_id) as num from entry
where (date_format(cdate, '%Y-%m-%d %H:%i:%s')
The function in whre clause forces a full table scan. try where ( date between 20040507000001 and 20040508235959 ) and ...
between '2004-05-07 00:00:01' AND '2004-05-08 23:59:59') and (on = 'Y') group by title order by mdt desc limit 0,25
(have 400000+ records in table, server result: 3.0547 second)
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