学生管理系统，记录学生姓名，系别，地址等信息，有查询，保存功能等。-Student management system to record the student39 s name, branches, address and other information, there are queries, save functions.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001279s ]
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:0.089338s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001319s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001884s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001245s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003617s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001060s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003177s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014610s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001298s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 241334 [ RunTime:0.001331s ]
