针对dos的不同命令方法，提出了一些经验和使用方法技巧，让用户更准确的了解DOS系统-against different commands, some of the experience and skills to use, enabling users to more accurately understand the DOS system
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001305s ]
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:0.092073s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001344s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003807s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001114s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001604s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 303076 [ RunTime:0.001536s ]
