一个用C语言实现的学生管理系统，比较简单明了，适合初学者的学习。-1 with the C language implementation of the student management system, relatively simple and clear, suitable for beginners to learn.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002103s ]
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:0.088273s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002336s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002105s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003631s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002020s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003300s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015229s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002479s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 219169 [ RunTime:0.001167s ]
