MySQL的一些技巧
时间：2011-03-01 来源：edwardlost
mysql> select date(ctime) as day, count(*) from league_apply where ctime >= '2011-02-15' and ctime <= '2011-02-28' group by day;
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时间：2011-03-01 来源：edwardlost
mysql> select date(ctime) as day, count(*) from league_apply where ctime >= '2011-02-15' and ctime <= '2011-02-28' group by day;
