呵呵，帮同学做的一个C语言课程设计 学生成绩管理系统（完全自己做的） 功能：成绩录入，按成绩排序，查询各分数段的学生， 用菜单实现功能。 -----作者：小鲨-A student score management system for course paper. Function: input, sort, query, all function controlled through menu.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001960s ]
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:0.085930s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002430s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001913s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002250s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003728s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002092s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005147s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016430s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002755s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 305062 [ RunTime:0.001234s ]
