高斯随机噪音程序，做理论模型数据时，一般会加高斯随机噪音，以模拟实际数据-Gaussian random noise process, make the theoretical model data, they generally will be Gaussian random noise to simulate the actual data
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001341s ]
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:0.088870s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001241s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001905s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001239s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003574s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001075s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003201s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015761s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001514s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 112192 [ RunTime:0.001444s ]
