在上C#课程的时候做的一个大作业――学生选课系统 用C#语言编写 在.net平台上运行
*可以运行-C# in the course of time to do a big operation-- students Elective System with C# language in preparation. Net* Operation platform can run
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002006s ]
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:0.087742s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001927s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002020s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002235s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003575s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002456s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003816s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014792s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002359s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 72950 [ RunTime:0.001070s ]
