qim是与扩频水印并列的算法。他有很多特性，此算法能帮助你理解qim。-qim Spread Spectrum Watermarking is tied with the algorithm. He has a lot of features, this algorithm can help you understand qim.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001029s ]
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:0.065620s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001007s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001140s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000972s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002944s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000916s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003464s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014530s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001176s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 120734 [ RunTime:0.019474s ]
