学生管理系统的课程设计报告，SQL2003，有详细的设计报告，设计代码，数据库文件，可供数据库课程设计的参考-Student Management System curriculum design report, SQL2003, has a detailed design report, design code, database files for the database curriculum design reference
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001412s ]
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:0.077681s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001051s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001168s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000977s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002989s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000921s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003762s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014619s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001173s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 262856 [ RunTime:0.013573s ]
