里面是有关邮件传输协议的描述，对要开发邮件客户端和服务器的朋友应该会很有帮助。-Which is related to the description of Mail Transfer Protocol, and to develop e-mail client and server should be very helpful friend.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001304s ]
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:0.086716s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001262s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001891s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001227s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003593s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001060s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003212s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014629s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001372s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 225523 [ RunTime:0.001315s ]
