学生信息管理，包括对学生姓名，学号，成绩的查询，更新，排序，删除等操作-Student information management, including the students name, school number, results of query, update, sort, delete and other operations
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000917s ]
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:0.082227s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001012s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001235s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000970s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003095s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000823s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003727s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.023481s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001749s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 185738 [ RunTime:0.014672s ]
