学习asp过程中会遇到语法不明的时候，可以通过查找帮助文件来确定语法规则-learning process will encounter Grammar unknown, we can find help through the documents to determine the rules of grammar
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001360s ]
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:0.098287s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001248s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001975s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001330s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003711s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001094s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003372s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015321s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001447s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 76672 [ RunTime:0.004672s ]
