这是生成两个随机数的程序，分别服从均匀分布和正态分布-This is a random number to generate the two procedures, respectively, subject to uniform distribution and normal distribution
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002942s ]
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:0.094930s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003555s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001954s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001733s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004008s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001660s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003228s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014644s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002913s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 213538 [ RunTime:0.001166s ]
