学生管理系统，实现对学生成绩的查询修改，课程的查询修改等功能- The student management system management system, realizes to
the student result inquiry revision, curriculum function and so on
inquiry revision
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001965s ]
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:0.084271s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002330s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001921s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002673s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003881s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002172s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003426s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015274s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003046s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 117041 [ RunTime:0.001504s ]
