上课时老师给的算法资料 很经典
还有习题及解答~~~对算法学习很有帮助~-Teacher class information to the classic method of exercise and also to answer ~ ~ ~ ~ very helpful study of algorithms
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001434s ]
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:0.089490s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001245s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002014s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001190s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003759s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001087s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003449s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015475s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001427s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 137233 [ RunTime:0.003000s ]
