本程序是用c语言编写的基于决策树分类方法的数据挖掘算法，它对测试集进行分类，挖掘出潜在的规则-this procedure is used to prepare the language c decision tree classification based on the data mining algorithm, which tests set for classification, tapping the potential rules
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002107s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.089185s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002689s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002228s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002305s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003767s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002022s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003291s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014898s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002559s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 125069 [ RunTime:0.001141s ]
