程序是我们上课时中用到的，工程科学计算与C程序集 （上，下） 相信是很有用的！-is our class names, scientific computing and engineering procedures Set C (upper and lower) believe that it is very useful!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002635s ]
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:0.120335s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002337s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002001s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002237s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003723s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001915s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003321s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014800s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002310s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 269468 [ RunTime:0.001307s ]
