小弟是个新人，刚学ARM时间不长，有不少的疏漏，希望各位高手能指点一二。-younger brother is a newcomer just learning to ARM long time, a number of omissions, can hope to master the guidance on January 2.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001295s ]
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:0.091817s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001245s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001893s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001223s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003688s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001070s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003171s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014699s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001428s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 266250 [ RunTime:0.001294s ]
