学生管理系统
有录入 查询信息（按学号） 排序 插入 更新 删除 保存到文件的功能 -Student management system has input query information (by student number) to sort insert update delete saved to a file function
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001055s ]
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:0.062865s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.004245s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001308s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001144s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003126s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000958s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003859s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017592s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001407s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 287443 [ RunTime:0.013644s ]
