成绩等级,求最小数,从0-100中找两个数，使其和与差为平方数,求1-50整除3的数,购书优惠-Performance rating, and the smallest number from 0-100 in the two to find a few to make it worse for the square and the number divisible by 3 for a number of 1-50, book discount
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001661s ]
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:0.120518s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001228s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001867s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001184s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003604s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001169s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003211s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015050s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001471s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 145356 [ RunTime:0.001695s ]
