此文档详细介绍了linux的各种指令，并附有操作实例，对也初学者熟悉、查询linux的指令有很大帮助。-This document details the various linux commands, together with the operation of an example, the beginners also familiar with linux commands inquiries are very helpful.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.011219s ]
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:0.165910s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001121s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001249s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.012206s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.009135s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.003515s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003823s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024917s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.010472s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 182515 [ RunTime:0.013955s ]
