我大三本科做的数据结构课程设计。题目为学生成绩管理系统，有详细的文字说明和源代码。-I do junior undergraduate data structures course design. Entitled to student performance management system, a detailed written instructions and source code.source code.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001237s ]
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:0.099039s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001116s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001865s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001191s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003621s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001009s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003249s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015789s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001418s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 201854 [ RunTime:0.001575s ]
