此为留言板代码，很适合初学者学习。利用asp.net以及sql server 编写而成。-This is the message board code, it is suitable for beginners to learn. Sql server using asp.net and prepared.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001338s ]
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:0.087445s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001154s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001916s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001170s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003576s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000995s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003193s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014569s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001218s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 76043 [ RunTime:0.001369s ]
