本程序可以产生一组正态模拟数，用来模拟实际生产中服从或近似服从正态分布的数据，很有用。-This procedure can generate a group of normal simulation the number used to simulate the actual production or similar to obey normal distribution of data, very useful.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001961s ]
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:0.090461s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003261s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002079s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.003122s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004581s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002475s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003456s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016111s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002810s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 212289 [ RunTime:0.001321s ]
