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:0.001413s ]
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:0.087889s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001121s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000972s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000937s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015298s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002509s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 305062 [ RunTime:0.017176s ]
