是c语言的大作业题目。。一般都会遇到。。是关于学生系统的。。有插入，删除，查找等功能-Yes c language subject of a major operation. . Usually encountered. . On the student system. . There are insert, delete, search and other functions. .
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001046s ]
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:0.089825s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000907s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001149s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001010s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003240s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000871s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003706s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015009s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001186s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 186745 [ RunTime:0.015627s ]
